X-Men: Evolution (2000)

S02E17 Day of Reckoning (2)

A double agent emerges within the ranks, jeopardizing the collaboration between the X-Men and the Brotherhood as they face off against Magneto. Meanwhile, Magneto unveils a formidable new ally in the form of the Sentinel robot, intensifying the conflict. With tensions rising and trust eroding, both sides must navigate betrayal while preparing for an all-out showdown.