Shiny Teeth / Odd Odd West - S2-E15
Revealing mistake: In 'Odd, Odd West,' Timmy's mouth goes right through his mask.
Shiny Teeth / Odd Odd West - S2-E15
Revealing mistake: In 'Odd, Odd West,' when Timmy's dad is riding the kids like a horse, Chester's bit goes right through his teeth, and when he closes his mouth it goes through his lip.
Most Wanted Wish / This is Your Wish - S3-E4
Revealing mistake: In Most Wanted Wish, pretty much everybody's eyebrows are in their hair.
Remy Rides Again/Hassle in the Castle - S5-E10
Revealing mistake: In the episode Hassle In The Castle, in the hall of Infamy the name plates are either scribbles or they're just blank.