In Lilo & Stitch: The Series (2003–06), Stitch and Lilo have to capture Jumba’s other experiments, turn them from evil to good, and find them a home. Along the way, he meets his match: Experiment 627 who is tougher than him, but whom Stitch eventually defeats with greater intelligence. He is also affected by 15 experiment powers: Amnesio wipes out his memory, being poked by Spike’s spine makes him goofy, Babyfier turns him into a baby, Spooky turns into water and nearly drowns him, Lax makes him lazy, Dupe duplicates him into four (weakening his strength), Frenchfry serves him unhealthy junk food meals (along with Lilo and Pleakley) and fattens him up into a giant bowling ball, Yaarp sounds out his loud megaphone (deafening him), Snooty sucks out his mucus (effectively dehydrating him ), Swirly hypnotizes him, Drowsy (in the episode “PJ”) puts him to sleep, Houdini makes him invisible, Swapper switches him into Lilo’s and then Pleakley’s bodies, Bugby turns him into a bug, and Slushy freezes him. However, the powers wear off. He also meets Angel (Experiment 624) who is introduced as a love interest for Stitch (evil at first, she becomes good out of love for Stitch).
In Lilo & Stitch 2: Stitch Has a Glitch (2005), which is set between the first film and Stitch! The Movie, Stitch is living well and is reasonably well-behaved (although still hot-tempered and mischievous) with the exiled Jumba and Pleakley in Lilo’s (and her older sister Nani’s) house, until he begins malfunctioning. Since he was not fully charged after his creation, Stitch experiences periodic glitches that have him reverting to his original destructive programming, appearing to suffer from a “fit” or “seizure”. Seeing this, Jumba strives to create a proper charging chamber for Stitch. Not wanting to hurt anyone and not knowing about Jumba’s plan, Stitch attempts to leave Earth for a remote planet, while Lilo, Jumba, and the others desperately try to have him return so they can recharge him. Although they are too late when they place him in the recharging pod, Stitch seems to be revived by Lilo’s love, in accordance with her belief that love is more powerful than death.
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