Alcoa Presents: One Step Beyond is an American anthology series created by Merwin Gerard. The original series ran for three seasons on ABC from January 1959 to July 1961.

Kit Preston begins to unravel when she receives threatening telephone calls informing her she's soon to be murdered.

In 1880, Sir Robert Cargrave, a London physician known for his experimental work in paralysis treatment, is summoned to Gorslava by the mysterious Baron Sardonicus—who is now married to Cargrave's former wife, Maude—to treat his disfigurement. When Cargrave arrives, he finds the masked baron is a cruel sadist who has threatened to harm Maude if he is not successfully cured.

During the last years of World War II, Hermie, Oscy, and Benjie are coming of age. They went their separate ways when they graduated from high school in 1944. Benjie joins the Marines as Hermie and Oscy enter college. There, Hermie falls head over heels for another freshman named Julie, and the two old friends deal with a troublesome fraternity president who is in charge of hazings.

A US submarine and its crew are captured by the Japanese on the eve of a major WWII battle.

After a lengthy voyage, Capt. Bart docks his ship in a London harbor and is given a new mission by British Admiralty: capture the notorious Henry Morgan, a pirate who has been wreaking havoc throughout the Caribbean. After recruiting some former shipmates for his crew, Capt. Bart sets sail in search of the infamous buccaneer, and is joined by a beautiful female stowaway in the process.

The disfigured curator of a wax museum murders his enemies and then uses their bodies as exhibits in his museum.

A famous heart surgeon finds out that a medical research foundation is being used for shady and illegal purposes.

A Northern Territory policeman, is given the job of taking an Aboriginal prisoner Emu Foot, to Alice Springs to be tried for a tribal killing. Bayard is wounded during a revenge attack by tribesmen, and Emu Foot helps him get to a remote cattle station. But there Bayard gets involved in a domestic crisis involving Julie Kirkbride, the neurotic, bored wife of the station owner, and is tempted by the head stockman's daughter Chris Palady.