 In an attempted spaceflight, the crew of a ship are bombarded by cosmic radiation. Barely managing to crashland alive, the crew find themselves changed forever by their experience. Team leader, Scientist Reed Richard aka Mr. Fantastic gains the ability to stretch and shape his body to any shape, Sue Storm can become invisible and project telekinetic force fields as the Invisible Girl, and Pilot Ben Grimm becomes a superstrong rock creature known as the Thing. Together with their advanced robot assistant, H.E.R.B., this quartet faces the threats to the world as the Fantastic Four.