Other mistake: After Cindy says yes to Jimmy's proposal, he jumps with excitement until he realises what he did and screams "no" very loudly. Cindy is walking several feet away. How did she not hear him?
The Adventures of Jimmy Neutron: Boy Genius (2002)
1 mistake in Love Potion #976/J
Starring: Rob Paulsen, Debi Derryberry, Jeffrey Garcia, Mark DeCarlo
Sheen: Jimmy, where's the bathroom? All I see is sand and I'm not a cat.
Trivia: In the spy episode where Jimmy, Sheen and Carl are swimming underwater, you can see Spongebob's pineapple next to them.