Free Online HD on Lookmovie. Marvel Comics's favorite family, the Fantastic Four, battles Dr. Doom and other baddies in this first volume of episodes from the Cartoon Network series, which features a fascinating mix of 2-D and 3-D animation. Mr. Fantastic leads the Invisible Woman, the Human Torch and the Thing in four fantastic adventures. The quartet of episodes consists of "Doomed," "Hard Knocks," "World's Tiniest Heroes" and "De-Mole-Ition."