Other mistake: When the Decepticons shoot the monument at the end, Optimus runs to save it, you can see two Optimuses (Most likely because the animators forgot to get rid of the other prime which is just standing there).
Transformers (1984)
1 mistake in Atlantis, Arise!
Starring: Frank Welker, Corey Burton, Peter Cullen, Christopher Collins, Chris Latta
Genres: Action, Adventure, Animated, Family, Fantasy, Sci-fi, Thriller, War
Megatron: Is there anyone brave - or stupid enough - to oppose us? This city is under martial law... and I am the marshal.
Call of the Primitives - S3-E26
Question: When all the animal transformers start to follow the call, Soundwave states that his ejection has activated by itself. After Ravage and Ratbat, who are those other two tapes?
Answer: These two were 'dinosaur' cassettes Overkill and Slugfest, then-new toys. They turn up this once and that's it, though.
Daria Sigma