The Final Hour - Fantastic Four (S1:E10)

Basic Info
The Final Hour is the tenth episode and the season 1 finale of Fantastic Four. It features Doctor Doom as the main antagonist.

Synopsis
Reed is trapped in a cage in Doctor Doom's lab with one hour left before he runs out of air. Meanwhile, Doctor Doom is working with the rest of the team to secretly design a shrink ray that will destroy them all.

Trivia

 * Both this episode and episode 109 are loosely based off the Fantastic Four Vol 1 10 comic.