The show first aired on September 20, 2003, and lasted for two seasons until it ended on July 26, 2006 with 65 episodes total. The show also included crossovers with characters from four other Disney animated shows: American Dragon: Jake Long, The Proud Family, Kim Possible, and Recess.
|| Production Code
|| September 20, 2003
|| The show's premiere episode. An earthquake rocks the island, prompting Pleakley to study earthquake safety. When it is discovered that the earthquakes were caused by an experiment, Lilo and Stitch must travel underground to catch it before it cracks the Earth in half (and before Gantu catches it).
|| September 27, 2003
|| Stitch wins an oyster containing a hidden experiment pod at a restaurant crane game. When the pod gets wet, however, the ghostly experiment possesses Scrump the doll and causes all sorts of mischief. When Stitch is blamed, he must prove himself innocent by catching the experiment in the act.
|| October 4, 2003
|| After causing chaos at a beauty salon, Lilo and Stitch meet the hair-eating experiment that made Jumba nearly bald. However, when they try to use it to get revenge on Mertle for her cruel words, the hairball gets loose and threatens to eat up all the hair on the island. Meanwhile, Jumba regrows an afro and Gantu gets stuck dancing at a luau. In the end, Clip becomes good and is repurposed to give people the perfect haircut. When Jumba gets his afro cut, he is given back his normal three hairs and realizes that's how he likes it.
|| "Mr. Stenchy"
|| October 11, 2003
|| Lilo rescues an irresistibly cute experiment, takes him home and names him Mr. Stenchy. Lilo falls madly in love with Mr. Stenchy and wants to keep him, but Jumba warns her that the new experiment is a walking stink bomb and will release a terrible odor soon, so he has to send him back into space. However, Lilo is invited to Mertle's FHGH (Future Hawaiian Girls of Hawaii) tea party if she brings Mr. Stenchy along, so Jumba allows her to keep him for 24 hours. Stitch is jealous of the attention Mr. Stenchy receives and allows Gantu to capture him. Gantu then develops an affection for the cute experiment, making Reuben jealous as well. Lilo and Stitch rescue Mr. Stenchy as he begins to release the odor. Jumba puts Mr. Stenchy in a rocket and sends him to Pleakley's home planet, where the odor is considered appealing.
|| October 12, 2003
|| In this Halloween episode, an experiment that can morph into a person's worst fear is discovered. It is revealed that Mertle, Elena, Teresa and Yuki's worst fear is seeing Lilo without her head; Moses' worst fear is spiders; Lilo's worst fear is clowns; Stitch's worst fear is water; Nani's worst fear is losing Lilo (especially hearing Cobra Bubbles say he came to take Lilo away); Jumba's worst fear is his ex-wife; and Pleakley's worst fear is his mother scolding him for being a failure.
|| October 12, 2003
|| Mertle receives a charm bracelet for her birthday, but one of the charms is actually an experiment pod. Lilo and Stitch must try to retrieve it before she gets it wet, or else the universe will be sucked into a black hole. Meanwhile, Nani must prepare for a company inspection; however, Lilo keeps getting caught by Officer Kahiko, leaving Nani to shirk her duties. Fortunately, with Jumba's help, Lilo and Stitch manage to defeat Holio's black hole.
|| October 13, 2003
|| A tsunami-creating experiment appears with the threat of endangering the entire world if it reaches the ocean. Lilo and Stitch must use the newly designed X-Buggy to capture Cannonball before Gantu does. Meanwhile, Lilo's hula halau participates in a sand-sculpting contest.
|| October 13, 2003
|| Mertle mistakes an experiment for a dog, names her "Gigi" and enters her in a dog show in Honolulu, while Lilo enters Stitch in the same dog show in hopes of beating Mertle and winning her respect and friendship. Stitch, however, has to control his anarchic instincts if he wants to win at all. Everything goes smoothly until Mertle decides to cheat, putting the whole contest in jeopardy. Meanwhile, Jumba and Pleakley go sightseeing around the city and run into Gantu.
|| October 17, 2003
|| Two experiments activate at the same time while Lilo and Stitch are arguing. Lilo and Stitch insist that they each can catch an experiment without the other. Meanwhile, Jumba and Pleakley make a bet to see which one will capture an experiment first, and Gantu forces Reuben to help him catch them both. The race is on because Jumba theorizes that the world will be doomed if the two elementally opposing experiments touch each other, they will destroy Earth. Eventually, Lilo and Stitch team up together again and help each other capture the experiments each was after using the "tools" that were given to them by Jumba and Pleakly. Lilo names the two experiments Yin and Yang and repurposes them to create a new island.
|| October 20, 2003
|| A combatant experiment causes trouble by bullying people around the island, and a chemical reaction from a bad snack combination results in Stitch losing his ability to fight. Lilo must re-train him so that he can defeat Kixx before Gantu does.
|| October 24, 2003
|| In order to catch a plasma-shooting experiment, Lilo, Stitch, Jumba, Pleakley, Gantu and Reuben travel to the island of Niʻihau. After becoming stranded on the beach under the threat of being blasted by Splodyhead, the two opposing teams become one "tribe" and are forced to work together to survive. This initially doesn't go well as Gantu and Stitch both want to be the leader until Reuben nominates Lilo. Under Lilo's leadership, the group manages to disable Splodyhead's powers, causing him to flee, but he's captured when Gantu and Stitch team up together against him. Gantu gets the experiment, but when David and Nani show up to rescue Lilo, Stitch, Jumba and Pleakly, they only agree to help him and Reuben back to shore if he gives them the experiment, which he reluctantly does.
|| October 27, 2003
|| It is Lilo's birthday, but no one seems to remember. While she and Stitch hand out invitations for their own party, they encounter Gantu as well as an experiment that gives people amnesia. All three of them try to catch Amnesio, which causes them to lose their memories of each other. Now thinking that her name is Martha, Stitch is an escaped convict, and Gantu is her partner cop named Lenny, Lilo teams up with him to hunt down Stitch and find clues to their lost memories.
|| November 3, 2003
|| A popular television show called Look at This! comes to Hawaii as a hypnotizing experiment is activated. Lilo and Stitch hate the show, but under Swirly's spell, she is instructed to be more like Mertle, who happens to love the show. Stitch is also hypnotized and is instructed to love the show. Hämsterviel orders Gantu to go on the show and use the experiment to hypnotize the audience, thus bringing them under Hämsterviel's power. Jumba frees Lilo and Stitch from the hypnosis and they rescue Swirly just in time and leave Gantu stranded in front of a live audience. Mertle later throws a party and is hypnotized by Swirly into thinking she's a chicken.
|| November 7, 2003
|| Pleakley's mother calls to inform him of his arranged marriage, so he lies that he is engaged to an Earth girl. When his family comes to the Pelekai residence for the wedding, though, Pleakley must pretend that Nani is his fiancée. Meanwhile, Lilo and Stitch must keep an experiment that always beeps when a person makes a lie under wraps, which Gantu later finds out about after returning from a spa weekend. Eventually, the truth is exposed and Pleakley's family accepts him for who he is, while revealing that while all are successful, they are actually envious of him. Gantu ends up taking Fibber, but Lilo and Stitch let Gantu keep him.
|| November 10, 2003
|| Lilo wins tickets to the Elizabethan Fair and invites Elena, Teresa, and Yuki to join her. However, Mertle refuses to go because she does not want to be with Lilo, and Stitch is not allowed inside because no dogs are admitted. They team up to catch a metal-eating experiment on a rampage. Eventually, Gantu is allowed to capture Tank in order to save Mertle and Stitch. The hula girls take Mertle back, and Lilo apologizes to Stitch for neglecting him.
|| November 14, 2003
|| Lilo makes a bet with Mertle to win the orchid competition at the Kokaua Town fair and steals a dangerous plant experiment against Jumba's warnings, while Pleakley grows a giant "Pinormous" pineapple and Stitch practices being a cowboy for the rodeo. However, when Sprout gets loose (thanks to Mertle) and spreads his roots all over the fairgrounds, Stitch must defeat him cowboy-style.
|| November 17, 2003
|| Lilo ignores Stitch while working on a new hula dance. Stitch finds a cousin performing as a circus entertainer and when he attempts to capture Elastico, he is adopted as a circus performer himself. Gantu captures but cannot hold Elastico, who returns to the circus. Lilo realizes that Stitch has left and convinces him to stay in Hawaii and not travel with his new circus family.
|| November 21, 2003
|| Lilo's idea for an alien invasion alarm to improve the hula school is rejected, so she tries to write a letter to the mayor about it. Meanwhile, a loud, sonic-blasting experiment causes Stitch to temporarily lose his hearing, so earless Pleakley is given the job of capturing Yaarp himself. While Pleakley is off looking for Yaarp, Gantu captures Stitch and will not let him free without a trade.
|| November 24, 2003
|| Stitch becomes egotistical after beating his experiment catching record, so Jumba decides to teach him a lesson by activating his brand new experiment, 627. Being more powerful than Stitch with none of his weaknesses, Stitch may meet his match when 627 escapes Jumba's custody and falls into the hands of Gantu. 627 works for Gantu capturing experiments and proves unbeatable until Reuben, who's had enough of 627's abuse, calls Lilo and reveals that 627's weakness is laughter. Lilo and Stitch use this to defeat 627, and as it is impossible to turn him good, they use a dehydrator to turn him back into a pod. However, Jumba is shown to have an Experiment 628 whose pod he stores on his ship.
|| "The Asteroid"
|| December 1, 2003
|| Lilo and Stitch visit a planetarium and overhear Cobra Bubbles' warning of an asteroid that will impact Earth. With no one believing them or bothering to seek shelter, Stitch formulates a plan to go into outer space and destroy it to save the planet. However, when they discover that the asteroid itself is home to an alien, Lilo and Stitch must decide which home they must sacrifice for the sake of the other. In the end, the group uses Jumba's ship's hyperdrive to safely push the asteroid away from Earth without destroying it, but leaving Jumba and Pleakly permanently stranded on Earth. Meanwhile, Lilo and Stitch become honorary agents.
|| December 5, 2003
|| It is Christmas Eve, and Lilo is trying to teach Stitch how Hawaiians celebrate Christmas, but Stitch becomes overly obsessed with the Christmas gifts. Jumba and Pleakley attempt to get into the Christmas spirit as well. However, when Gantu has an experiment pod giftwrapped for Hämsterviel, everyone mistakes Stitch's hunt for the box as a selfish attempt to hoard presents for himself.
|| December 8, 2003
|| While trying to catch a fire-breathing experiment, Lilo falls into a puddle of mud in front of Keoni. To erase her embarrassment, she tries to use Jumba's time-traveling invention. Each time she tries to change the past, it creates a progressively worse future. Finally, Lilo realizes that she must live events as they were meant to occur and repeats her embarrassing fall. However, Keoni later shows up to cheer her up.
|| December 12, 2003
|| Stitch and Pleakley are hired to do a magic show at Mertle's "half-birthday" party. After their act turns out to be horrible, Lilo secretly activates an experiment that turns things invisible to help make the show a success. When it is, Mertle's aunt, a Hollywood producer, hires them to do their trick on national television. However, when Houdini runs away and leaves Stitch invisible, Lilo tries to find them both before she looks like a fraud. Meanwhile, Reuben finds 119's experiment pod at the grocery store, mistaking it for 611's pod, but Gantu takes all the credit for it while trying to find Houdini. In the end, Houdini arrives just in time to make the disappearing lighthouse magic trick work. He is then revealed to be the true magician and gets a magic show with Mertle's aunt.
|| December 15, 2003
|| A small, purple shark-like experiment is destroying and sinking enemy ships with his large dorsal fin. Lilo and Stitch must find a way to control Sinker before he sabotages the boat racing competition (and before Gantu catches him). His one true place is at a Japanese restaurant, where he uses his large fin to cut up fish fillets and vegetables for the chefs to make sushi. Meanwhile, Gantu and Reuben end up stranded on a small island.
|| December 19, 2003
|| Nani invites her prospective boss home to demonstrate the spirit of ʻohana. Lilo has a crush on the boss's son Keoni. Before the visit, they find an experiment that is designed to snoop around and dig up dirt on the enemy. The experiment is so annoying that Lilo and Stitch give Nosy to Gantu. Nosy then annoys Gantu and Hamsterviel so much that they release him. He returns to Lilo's house just in time to finish the visit with Nani's boss. In the end, Nosy returns to Gantu's ship and spreads rumors about Gantu to Reuben.
|| December 22, 2003
|| Stitch becomes jealous of a new experiment when Lilo takes Finder to show-and-tell instead of Stitch. Meanwhile, Dr. Hämsterviel escapes from prison and travels to Earth, where he is "adopted" by Mertle. While the Grand Councilwoman offers to reinstate Gantu's position for the capture of Dr. Hämsterviel, Stitch strives to upstage Finder by finding him first. Mertle is captured by Gantu by accident and Stitch and Finder team up to rescue her, with Finder flying Stitch to Gantu's ship. Stitch disables Gantu's ship and Mertle is rescued, while the Grand Councilwoman takes Hämsterviel into custody but doesn't reinstate Gantu due to him kidnapping Mertle. Finder is put to work running a Lost and Found at the beach.
|| December 26, 2003
|| A freeze-inducing experiment is activated during a very hot day and chills the weather so much that it produces Kokaua Town's very first snowfall. Lilo and Stitch soon capture Slushy and take him home, where he makes it snow for them to play and have fun. Gantu later kidnaps Slushy and forces him to create an impenetrable ice fortress. Slushy also engages in battle with Splodyhead, who ends up winning and restores the tropical climate of the island. Slushy is found a one true place creating Shave Ice at the ice cream shop.
|| December 29, 2003
|| Lilo hosts a slumber party, but none of her classmates from hula school come. When she finds an experiment that creates duplicates, she tries to clone herself so that she can have friends. Stitch saves her, but is cloned instead. Stitch is weakened by the duplication when his strength is divided among all the clones. Gantu is able to use several experiments to capture Stitch. Lilo tricks Gantu into using Dupe to turn his few experiments into an army and then combines the Stitches back into one full-strength Stitch.
|| "Short Stuff"
|| January 2, 2004
|| Lilo takes Stitch to a carnival, but Stitch is too short to go on any of the rides. Meanwhile, a small crab-like experiment that fouls up machinery is activated. Pleakley uses Jumba's invention without his permission to make Stitch grow, but Gantu interrupts and Stitch grows too big. Then, Shortstuff is also zapped, and the two giants battle each other back at the carnival. Shortstuff is defeated after Stitch returns to normal size and becomes a new ride at the carnival, thanks to his giant size.
|| January 5, 2004
|| Stitch falls in love with a female experiment that looks like him and names her "Angel", but Lilo is both jealous and suspicious of her. When she later looks up Angel on Jumba's computer, she discovers that the experiment turns good experiments back to evil by singing her siren song and is working for Gantu. Stitch runs after Angel and finds out the truth too late. Now, it's up to Lilo, Jumba and Pleakley to save Stitch before the other experiments turn on their own cousin.
|| January 9, 2004
|| Gantu finds a cleaning experiment and lets it go, but it is found by Lilo and Stitch and taken to their home, where Lilo names him Felix (due to her statement that all "neat freaks" on television are named "Felix"). Felix is an experiment mad with cleanliness and cleans everything, to the point that Felix becomes very good friends with Pleakley. However, Felix is so mad with the cleaning, he thinks all around him are dirty and now wants to destroy Lilo, Stitch and the others. Now Lilo and Stitch must save everyone from Felix's mania and clean the home before Nani returns.
|| January 11, 2004
|| A small microbe-like experiment enters Pleakley's body, causing him to fall deathly ill. Lilo and Stitch must remove it quickly while inside his body because their shrinking effect is only temporary, and Pleakley will explode if they do not get out in time. To make matters worse, Gantu is after Poxy and kidnaps Pleakley due to him being infected with the experiment. Now, Lilo and Stitch must save Pleakley before it's too late.
|| January 11, 2004
|| It is Valentine's Day, and Lilo uses an experiment that causes people to fall in artificial love in order to make Keoni fall in love with her. However, when Lilo accidentally lets Hunkahunka loose, the experiment causes more trouble by making everyone fall in love, and Lilo soon feels bad about forcing Keoni to like her. Now, Stitch must catch Hunkahunka before Gantu does.
|| January 11, 2004
|| Stitch is afraid of going to the vet when Lilo has to take him to get his shots, and they end up meeting an experiment that can repeat any sound it hears. Meanwhile, two alien hunters named Merwin and Dean try to capture Stitch, Sample and Gantu in order to take them to an alien convention and prove that aliens are real, which causes problems for the extraterrestrial characters.
|| January 12, 2004
|| An experiment that regresses people into babies activates and turns Stitch, Nani, Jumba, Pleakley and Gantu into infants, forcing Lilo and Reuben to babysit them (Gantu for Reuben, and everyone else listed for Lilo). When Babyfier gets loose, Baby Stitch and Baby Gantu battle for the experiment, while Baby Pleakley and Baby Jumba (who still has the intellect of adult Jumba) have to mix an antidote for the age regression, requiring adult coffee in the remedy. In the end, Stitch unleashes it and everything goes back to normal (except Gantu, who remains a baby for now). Meanwhile, Babyfier is given a job at the dog pound turning old dogs into more adoptable puppies.
|| "Bonnie & Clyde"
|| January 16, 2004
|| After being grounded for being rowdy, Lilo and Stitch sneak out of their house and soon meet a criminal experiment duo, who urge them to do whatever they want and convince them that it won't do any harm. After causing trouble around the island and realizing the consequences of their naughty behavior, though, Lilo and Stitch decide to capture the two crooks to redeem themselves. They pretend that they are working with Bonnie and Clyde again, but once they are taken to their hideout, they capture the thieves who are then taken to their one true place: prison. As for Lilo and Stitch, they have to clean up the mess they made as repayment for their crimes.
|| January 26, 2004
|| Lilo's baseball team loses to Mertle's team, due to Pleakley's lack of confidence. Later, Lilo and Mertle make a bet for another game, and that whoever wins the game will get the other player's personal items. Then, a small yellow, pterosaur-like experiment that is designed to deflect projectiles with his baseball bat-shaped tail activates. Lilo decides to place Slugger on their team in Pleakley's place, in hopes of beating Mertle's team. But to make matters worse, Mertle has placed Gantu on her team, who has promised to help her win the game with a bargain to achieve Slugger in the end. Mertle ends up changing things so they play basketball instead of baseball, but Pleakley saves the day as he turns out to be a champion player of a similar game on his homeworld.
|| "Bad Stitch"
|| January 30, 2004
|| Nani has been receiving a lot of bills for Stitch's destruction and unruly behavior, so she gets Lilo to try and train him to be more civilized (otherwise, she will have to get rid of him forever). When Lilo's attempts prove to be unsuccessful, Stitch decides to find a way to make money for the Pelekais and ends up being kidnapped by Dr. Hämsterviel, who plans to turn him evil again. Now, Lilo, Jumba and Pleakley must rescue Stitch before it's too late.
|| February 28, 2004
|| Stitch uses a sheep-like experiment to get a restless Lilo to fall asleep, but is unable to wake her up the next day. While he is forced to use her sleeping body as a puppet to complete her responsibilities, Gantu is instructed to capture Drowsy and kidnap the vacationing Regis Philbin.
|| Production Code
|| November 5, 2004
|| Lilo wants to beat Mertle at the "Ohana-Rama" family trivia contest, but loses confidence when Stitch is poked by an experiment whose venom makes people 99% stupid and 1% clever. Meanwhile, Pleakley starts a therapy group named "E.A.R.W.A.X." to rehabilitate experiments. Lilo does everything she can to make Stitch smart again but fails, so she, Jumba and Pleakley compete without him. However, Mertle may not be as big a know-it-all as she claims to be.
|| November 12, 2004
|| After Nani bans junk food, she puts Lilo and Stitch on a strict, healthy diet and convinces Pleakley to pitch in as well. When Nani later leaves for work, Lilo, Stitch and Pleakley defy her and encounter an experiment that cooks delicious cuisine. Little do they know, they will be unable to stop eating because his food never fills people up, no matter how much they eat. Frenchfry is actually trying to fatten them up so that he can eat them himself.
|| November 19, 2004
|| Lilo meets a new friend named Victoria who also joins Lilo's hula class. However, Mertle will stop at nothing to try and befriend her so that she will not be Lilo's friend. Lilo then attempts to prove that she's normal by throwing a "Lilo's Not Weird" party. However, an experiment that switches people's minds appears, resulting in Lilo, Stitch, Jumba and Pleakley swapping bodies. From Stitch's body, Lilo must make sure the party is successful while Stitch has to pretend to be her, but nothing goes as planned, especially when Hämsterviel (who has switched bodies with Gantu) arrives. Eventually, Swapper is defeated and Victoria reveals that she likes weird and becomes Lilo's new best friend (and first human friend).
|| December 10, 2004
|| When Nani ends up short on cash, the rest of the ʻohana decide to start a "Bed and Not Breakfast" to bring in extra money. An experiment designed to bring bad luck threatens to ruin the business, until Jumba remembers that its effects can be reversed to turn very bad luck into very good luck. When Shoe runs away after overhearing that he is useless because of his bad luck effects, Lilo and Stitch must find Shoe before Gantu does.
|| January 7, 2005
|| Lilo and Stitch compete with Mertle to sell the most candy bars for their hula school, with the winner getting a lifetime supply of snow cones. The competition turns fierce when a fast-talking experiment that has the ability to sell anything appears and starts selling everything in plain sight, including himself at one point. Gantu later kidnaps Slick, but gives him back to Lilo in exchange for a candy bar. Mertle wins the contest, but also gets very sick from eating too many snow cones.
|| February 11, 2005
|| Tired of childhood restrictions, Lilo uses an experiment that skips time ahead ten years in the future to turn herself into a teenager and then into an adult. However, while she and Stitch disappear for twenty years, Dr. Hämsterviel captures the experiments and takes over the world.
|| March 4, 2005
|| Lilo's hula school is building a Merrie Monarch parade float, and Lilo is upset that the others do not like her ideas. However, when a crown-shaped experiment sits on her head, its power causes everyone to treat her like a queen. After she sees the consequences of her rulership and decides to step down, Gantu takes Checkers and makes himself king. Meanwhile, Stitch and Reuben round up their cousins to rebel against Gantu.
|| April 1, 2005
|| When Lilo is blamed for pranking her strict substitute hula teacher, she decides to use a practical-jokester experiment to get revenge and impress Mertle. However, things don't go well for Lilo when Stitch interferes with their plans. Now, PJ has set up the ultimate prank, and Stitch must stop them before the jokes go too far.
|| April 22, 2005
|| Lilo tries to clean Pudge's grotto for Earth Day, but meets an experiment that eats trash and later redistributes it across the island as pollutant goo. When Stitch gets sick from eating trash, Lilo must find a way to stop Ploot by herself. Eventually, Stitch is cured and thanks to Pleakley, a way to defeat Ploot is found through a combination of air fresheners. With help from Stitch, Lilo defeats Ploot herself, and he becomes good and sets to work at cleaning up trash and pollution rather than making it.
|| May 13, 2005
|| Victoria becomes afraid of a bat-like experiment after it attacks her and believes that it's a vampire. Lilo tries to explain that she can capture it and turn it good, but after Snooty puts Stitch out of commission, Victoria decides to team up with Gantu to "slay" the experiment. She eventually sees the error of her ways and helps Lilo. Meanwhile, Reuben informs Gantu that Hämsterviel has cut the cable (aside from one channel: The Sandwich Channel), until Gantu catches Snooty. Eventually, Gantu finds out that Reuben lied just so he could have the TV all to himself. At the end, they watch the Macki Macaw show.
|| May 20, 2005
|| Nani's middle school friends, Ellen and Lona, return to Kauai for a visit and, thinking that Nani is vice president of the business she works for (which is clearly not true), invite her and her ʻohana on a yacht cruise. Meanwhile, Stitch encounters an experiment that reverts individuals to a primitive state. Lilo, Jumba, Pleakley, Ellen and Lona are transformed into cave people, which causes trouble on the yacht. Now, Stitch must find and capture Retro before it's too late.
|| June 3, 2005
|| Lilo, Mertle, Stitch, Jumba, and Pleakley go out on a hiking adventure to try to prove the existence of the Night Marchers (an ancient Hawaiian legend), and later tell each other frightening stories. Meanwhile, an experiment that produces a loud, high-pitched shriek is being pursued by Gantu.
|| July 1, 2005
|| Keoni is going away for the weekend, so Lilo enters the island's skateboarding competition by using an experiment that can morph a person into any other organism in order to win a new skateboard for him. At the same time, Jake, Trixie, Spud, Lao Shi and Fu Dog (from American Dragon: Jake Long) visit the island to check out reports that undisguised magical creatures (actually Jumba's experiments) are running rampant. While Jake, Trixie, Spud and Fu investigate, Lao Shi goes on a date with Mrs. Hasagawa.
|| August 12, 2005
|| The Proud Family comes to visit Hawaii and stay in the "Bed and Not Breakfast" for their visit. While Jumba and Pleakley give Oscar, Trudy, Suga Mama and the twins a ride to Wizard Kelly's wrestling match, Lilo decides to help Penny with her school report. In the meantime, Experiment 397 is on the loose, causing people to fight with each other. Now it's up to Lilo, Stitch and Penny to catch 397 before Gantu does.
|| August 22, 2005
|| Nani is having trouble organizing a charity dinner, so Pleakley offers to help entertain the audience by providing stand-up comedy. However, when an experiment designed to mock people appears, he starts to make personal insults toward everyone and leads Lilo down the wrong path. Now, Stitch must stop Heckler before his heckling ruins the event.
|| August 23, 2005
|| It is nearly graduation for hula school, and everyone needs to have a photograph with their parents, but Lilo currently has no parents. Along comes an experiment designed to makes wishes, so Lilo decides to try to get Nani and David married by turning David into a nerd, which only irritates Nani. Now, Lilo must get David back to normal before Gantu uses up all of Wishy-Washy's wishes to take over the world.
|| August 24, 2005
|| Lilo temporarily quits experiment hunting to try and get accepted into Hula Hip Hop Fusion school, where she impresses some hippie girls by telling them that she is filthy rich and Stitch is a rare animal. Meanwhile, a small, typhoon-creating experiment is unleashed, causing Gantu to take a bad blow to the head. Lilo tricks Gantu into thinking that Reuben and Hämsterviel are just figments of his imagination, and Jumba's new device causes Phoon to mutate into a giant monster.
|| August 25, 2005
|| Lilo builds a town called Bugopolis for her new friends in her bug collection, but Stitch, who has an uncontrollable craving for insects, keeps trying to eat the citizens. He loses his appetite, though, after a bug-like experiment turns Lilo, Stitch, Jumba and Pleakley into insects. With the help of bugs named Chaps, Manny and Sperk, they have to find a way to change themselves back soon because Nani has called an exterminator.
|| August 26, 2005
|| When Stitch is kidnapped by Dr. Drakken, Pleakley calls on the help of Kim Possible to rescue him. Although they initially both want the other to step aside, Lilo and Kim must work together to accomplish this goal. Also, Jumba mistakes Rufus for the dangerous experiment 607.
|| August 26, 2005
|| An experiment designed to collect private enemy conversations through her tail is accidentally activated by Lilo, who then gets into trouble after eavesdropping on Nani's phone call with David. Things take a turn for the worst when Lilo overhears part of Mertle's conversation and thinks that she hates her friends. As a result, Mertle, out of anger, willingly helps catch experiments for Hämsterviel in place of Gantu, unaware that he is using her.
|| January 16, 2006
|| The cast of Recess visit Kauai so Gretchen can use a telescope to examine what she believes is a new planet. Meanwhile, an experiment designed to make people stop working zaps Stitch, Jumba, and Pleakley with its lazy beam. Lilo is forced to depend on her new friends to catch Lax while Stitch takes a vacation.
|| April 14, 2006
|| It is the anniversary of Lilo and Nani's parents' death and they are both very depressed. Lilo takes a nap to deal with her sadness, and Nani takes a long, silent walk to deal with her own sadness and, at the same time, tries to find a way to make Lilo and herself feel better. However, when an experiment enters Lilo's dreams and tries to dissolve them into permanent nightmares, Stitch, Jumba and Pleakley go in after it to capture it before she awakens or they will remain in her nightmares forever.
|| "Mrs. Hasagawa's Cats"
|| May 19, 2006
|| Lilo and Stitch try to help Mrs. Hasagawa out by organizing her fruit stand and cleaning her yard. However, when she tries to offer them a bowl of apricots for their help, they discover that the bowl is actually full of experiment pods, and her house is later full of stray experiments, which she believes are "cats". Lilo and Stitch try to gather all the experiments, but it turns out that Mrs. Hasagawa has taken a liking to them and tamed them herself, so the experiments won't need to be captured after all.
|| The leader of the Evil Genius Organization (EGO) believes that Jumba has turned good and wants to revoke his membership, but Lilo and Stitch convince him to visit Earth so that they can prove that Jumba is still worthy of membership. As they construct an elaborate facade to trick him, however, a failed non-evil experiment is activated. Gantu does not bother to catch this experiment.
|| June 23, 2006
|| Lilo is tired of doing chores and asks Jumba to build a machine to help her, so he ends up upgrading the entire house to do the chores itself. However, when an experiment enters the computer control system and glitches it up, Stitch must fight the house to rescue everyone.
|| A clumsy experiment causes Dr. Hämsterviel to nearly be caught by his prison guards, so he returns all the captured experiments to Gantu for safekeeping. However, when Gantu eventually lets the troublemaking experiment go, Woops threatens to ruin Pleakley's chance at a domino championship.
|| June 23, 2006
|| When Lilo and Stitch are informed by Nosy that all the experiments captured by Gantu are imprisoned in his ship, the two plan a rescue mission to free them. However, they accidentally activate an experiment designed to destroy complex plans. As Lilo and Stitch form a rescue team regardless, Jumba and Pleakley try to understand what love is, and Gantu tries to use a recording of Angel's siren song to turn the experiments evil again. Snafu, however, foils up this plan.
|| July 29, 2006
|| When Lilo and Mertle are forced to work together to find buried treasure, an experiment that binds together uncooperative people with sticky elastic glue appears. Mertle helps Lilo catch Link, while Stitch becomes stuck to Nani and Jumba becomes stuck to Pleakley.