Other mistake: During the Pokérap, when the Poliwrath name is said, the Pokémon shown is actually Poliwag. Also, when the Graveler name is said, the Pokémon shown is actually Geodude.
Other mistake: At the end of the intro, before the logo appears you can see Mojo Jojo's brain. His brain is green and it should be pink.
Innervisions - S1-E7
Other mistake: When Thanos is saying "What is that, beloved? You would prefer a closer look at the civilization we are about to obliterate? Why, of course", he is speaking with an Irish accent, which is not how his voice sounds normally.