Wolverine and the X-Men Season 1 Episode 18

Forge has finally decoded the data taken from the Sentinel factory, only to learn that the Artificial Intelligence operating the Sentinels is known as Master Mold, which is the very Master Mold Xavier is fighting to destroy in the future. The X-Men move to launch an attack on the facility so Forge can upload a virus that will destroy Master Mold once and for all. But the lethal computer had anticipated such an attack, and prepared for it. When the X-Men arrive, they're walking right into a Sentinel ambush. In the midst of a fight for their lives, the X-Men receive the most unexpected backup imaginable: The Brotherhood.