Baby-Fier: Experiment 151 - S1-E35
Plot hole: When Nani, Jumba, Pleakley and Stitch are turned into babies, Pleakley says he did oops in his pants, but it is well known that Pleakly doesn't wear pants, so why does he say that when it's not true?
Lilo & Stitch: The Series (2003)
1 plot hole in season 1
Starring: David Ogden Stiers, Chris Sanders, Daveigh Chase, Jillian Henry
Drowsy: Experiment 350 - S1-E39
Other mistake: Pleakley reacts to Jumba's "Where is my experiment?" too early.
Nani: I just put new batteries in this clock. How is it slow?
Lilo: Stitch set it to Planet Turo time. They're 438 hours behind.