Mojovision - S2-E11
Character mistake: When the title screen for Beast and Rogue's television program appears, Beast's real name of Hank McCoy is incorrectly spelled as "Hank Macoy."

Mojovision - S2-E11
Character mistake: The label on the bottle that Major Domo gives Mojo reads "Mojos aniacid," when it should read "Mojo's antacid." (00:03:20)
Chosen answer: It says MPO "First Exemplary Printing House" which is a real printing company in Russia founded by Ivan Dmitrievich Sytin in 1889. There seems to be something about "named after..." as well.
Sierra1 ★