Other mistake: At the start of the song, Iceland appears twice on the map, and in two different colors. Also, a large portion of Antarctica is cut off.
La Behemoth - S1-E54
Continuity mistake: As Marita walks over to the washing machine with a stack of clothes, its round door opens automatically between shots.
Continuity mistake: In the scene where Yakko is backstage at Carnegie Hall trying the exits for an escape route, he opens door number two and finds Ralph the Guard ready with a net. Notice how a light switch appears beside the door frame between shots.
Continuity mistake: Yakko originally spins $5,000 on Wheel of Morality, but the needle jumps a few spaces between frames, ultimately landing on 'Trip to Tahiti'.
Continuity mistake: When Mr. Director first meets the Warners near a buffet table, his chair disappears for a shot, only to reappear moments later.
Other mistake: When Dot takes a swipe at Dr. Scratchansniff's purple couch, she somehow cuts five slices into it with only four claws.
De-Zanitized - S1-E3
Continuity mistake: When Dr. Scratchansniff is using a hand puppet to communicate with the Warners, Yakko changes seating positions between shots.