X-Men: Evolution (2000)- Season 3, Ep. 9
"Under Lock & Key": The menace Mesmero returns again to free Apocalypse from his incarceration. This time, Mesmero uses his mental powers to control Gambit, using him to acquire the means necessary to release Apocalypse. When Angel intercepts Gambit, he goes to the X-Men and enlists their help.