Synopsis for the TV Cartoon Klaws, Watch Video

A revengeful super-enemy steals two of The Fantastic 4our inside their laboratory and tries to coerce the female member of the group, The Invisible Girl, into setting a trap for her brother, The Human Torch. When Susan resists, Klaus knocks her unconscious with his ultrasound power and again overpowers the two who have escaped from the lab. All three seem doomed, but the arriving brother brings with him a new defensive that silences the sonic menace permanently.