Directed by: Sam Newfield
Dr. Cameron (George Zucco) has succeeded in his expierments with a serum which will turn a man into a wolf-like monster and is ready to avenge himself on the men who caused his professional failure. He uses it on his gardener Petro (Glenn Strange) and one after the other is killed by his creation. His daughter, Lenora (Anne Nagel), grows suspicious and confides with newspaper reporter Tom Gregory (Johnny Downs).
Runtime: 77 min

Directed by: Roger Corman
Ev; her husband, Harold; and their lawyer friend, Martin, are skindiving while on vacation in Puerto Rico. When they resurface, they gradually conclude that an unexplained, temporary interruption of oxygen has killed everyone on the island – maybe in the world!
Runtime: 71 min

Directed by: Curt Siodmak
Deep in the South American jungle plantation manager Barney Chavez (Raymond Burr) kills his elderly employer in order to get to his beautiful wife (Barbara Payton). However, an old native witch witnesses the crime and puts a curse on Barney, who soon after finds himself turning nightly into a rampaging gorilla. But is his transformation real or is it all in his head?
Runtime: 57 min

Directed by: Joseph Green
After a car crash, a man keeps his wife’s head alive in his laboratory. As if this weren’t enough, an evil beast pounds and screams from a locked room adjacent to the lab.
Runtime: 82 min