Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.

A young doctor falls in love with a disturbed young woman and apparently becomes involved in the death of her husband. They head for Mexico trying to outrun the law.

Dolemite comes to the rescue of Queen Bee, whose nightclub is threatened by the Mafia.

Vicious gangster Vincent Canelli pulls off a daring prison escape just moments before going to the electric chair, taking with him Peter Manning – a bank robber and cop killer who was to die right after him. Taking several hostages along, they try to get their hands on the loot from Manning’s robbery to finance their escape from the country.

John Lupton portrays a vacationing city-boy who takes a room in a remote hunting lodge. He soon finds himself in a lick of hillbilly trouble when he catches the eye of a moonshiner's meretricious wife. Low budget "white lightnin'" dramedy released to scant notice in 1957.

A mechanic gets caught up with the mob when he falls for a gangster's girlfriend.

A nuclear leak creates a mutant Slithis sea monster, which terrorizes the variety of pets, winos, and hippies who hang around Venice, California.

While stationed in Asia, six American G.I.'s witness the secret ritual of Lamians (worshipers of women who can change into serpents). When discovered by the cult, the High Lamian Priest vows that "the Cobra Goddess will avenge herself". Once back in the United States, a mysterious woman enters into their lives and accidents begin to happen. The shadow of a cobra is seen just before each death.

Marc Hill is the attorney for Emmet Devrey, a real estate developer with a past, who is being blackmailed by his former partner Sam Baggett. When Sam's unfaithful wife Marge cooks up a scheme with her used car salesman lover Jeff Calder to bilk both Devrey and her alcoholic husband, Sam is killed and Devrey is accused of the crime. Mark is called to prove his employers innocence.

A group of escaped convicts holds a household prisoner as the police close in.