Dr. Rottenberg, the greatest Martian scientist, comes to Planet Earth to make preparations for a wild invasion involving re-animated Earth bodies, Martian zombies and teenagers playing in the woods. Criaturas Hediondas is one of the first Brazilian Shot On Video (SOV) to have national distribution via VHS tapes that were marketed in stands at grindcore, death metal and punks shows, becoming a reference (at the time) in the national underground. The video was filmed with a VHS camera and mounted from video to video, in an analog way.

Dr. Karloff prisons an alien from the Leguminous Planet and calls his friend Dr. Marins to help him in his experiences, because the Leguminous Monster is an anarchist intellectual full of hate against the human beings. While the scientists discuss about the monster, Caquinha is convinced for him to let him go. Done that, the Monster kills the scientists and kills everyone he finds in his way.

Super Chacrinha and Glauber Rocha, two millionaires from the earthly plane of Varathrum, manipulate the people around them, including Deus and the Devil, so that their artistic industrial conglomerates grow.

Two perverted homosexuals stop being gay and become necrophilic and coprophagic killers after one of them cuts his penis off.

Record of the rehearsal of the band Amsanctus in which the actor and film editor from Canibal, E.B. Toniolli, played. The master of the document, lasting about 30 minutes, was not found. The work was partially recovered from the feature "The Cannibals-Mabusiânus also dance Vol. 1" where it had been partially used.