Man investigates the disappearance of two of his friends who were the guests of a sinister Austrian count.

A scientist becomes murderous after discovering, and being exposed to the radiation of, a powerful new element called Radium X.

When his friend Professor Kingsley is at deaths door, brain surgeon Dr. Sovac saves his life by means of an illegal operation that transplants part of injured gangster Red Cannons brain. Unfortunately, the operation has a disastrous Jeckll and Hyde side effect and under certain conditions the persona of Cannon emerges. Sovac soon learns of the duel personality and of half a million dollars the gangster has hidden away. He attempts to find the money through the manipulation of his friend, an attempt that brings Kingsley closer to madness as he alternates between a meek professor of English and a brutal gangster out for murderous revenge on those who tried to kill him. Written by Carlos Valverde

Noble-born cad Denis (Stapley) has been tricked into a forced stay at the eerie manor of the Sire de Maletroit (Laughton), an evil madman who can't get over the death of his beloved, 20 years after she married his brother (Cavanagh) instead, then passed away during childbirth. Maletroit is determined to have his revenge: the brother has been stowed away in the dungeon for two decades, while he's convinced his disreputable house guest will make a suitably hellish husband for his niece. As luck would have it, the young couple manage to fall in love, and with the help of manservant Voltan (Karloff), they try to make their escape, but not before a final confrontation with Maletroit in the dungeon's crushing deathtrap. Written by Stephen Cooke

ریچارد سوم، پادشاه انگلستان، توسط ارواح کسانی که در تلاش برای رسیدن به تاج و تخت کشته است، تحت تعقیب قرار می‌گیرد....

A mad scientist turns a man into an electrically-controlled monster to do his bidding.

The inventor of a new top-of-the-line burglar alarm system is kidnapped by a gang in order to get him to help them commit robberies.

Mad scientist Dr. Henryk Savaard is obsessed with bringing the dead back to life. The police are alerted to Savaard's activities, however, and Savaard is arrested, convicted, and sentenced to hang. He vows revenge on the judge, jury, and district attorney. After the hanging, his assistant claims the corpse and uses Savaard's technique to bring the doctor back to life. Now the mad scientist can seek sweet revenge on his perceived enemies. Written by Kelly/RMS

Framed for the murder of his brother, Geoffrey Radcliffe is scheduled to hang. After a visit from his friend Dr. Frank Griffin, he vanishes mysteriously from prison. Police inspector Sampson realizes that Griffin is the brother of the original Invisible Man and has given Geoffrey the formula to aid his escape. Can Geoffrey elude the police dragnet and track down the real murderer? More importantly, can Griffin discover an antidote before the invisibility formula drives Geoffrey insane? Written by P. Silvestro

A brilliant surgeon with a morbid obsession for instruments of torture grows dangerously obsessed with a young socialite whose life he's saved.

A monomaniacal zoologist is pathologically jealous of his beautiful but unfaithful wife Evelyn and will not stop short of murder to keep her.

داستان فیلم در مورد یک دانشمند دیوانه می باشد که در آزماشگاه خود کار های عجیبی انجام می دهد و....