"The Supreme Sacrifice"
The X-Men are prisoners of the evil Master Mold, unable to escape the fortress as Master Mold finally convinces Trask to create more Sentinels. Meanwhile, Xavier travels back to the TV studio to learn why one of the Sentinels collapsed as he figures out their weakness. The X-Men time their escape perfectly as they are released from their prison and take the fight to the Sentinels but they lose their upper hand and it is Charles Xavier to the rescue. Trask turns on Master Mold, destroying the replication device, killing Master Mold and himself in the process as the X-Men escape certain doom at the demise of the Sentinel stronghold.