The Incredible Shrinking Man
(1957)

Scott Carey passes through a strange mist while on a boat. Later he is accidentally sprayed with an insecticide. Soon he becomes aware that his clothing has become loose, and it becomes apparent that he is starting to shrink. He is soon only three-feet tall. Will his shrinkage ever stop?

Indestructible Man
(1956)

Butcher Benton is a convicted robber and murderer, who dies in the gas chamber. He is accidentally revived by a medical researcher who subjects his body to a series of electric shocks. Benton revives and he is now massively strong, insane, and with impervious skin. He decides to take revenge on those who have wronged him.

Invaders from Mars
(1953)

David McLean watches a spacecraft from outer space crash into a nearby sandpit. His father goes to investigate, but when he comes back he seems to have undergone a radical change in his personality. David realises that aliens are taking over the bodies of humans.

Invasion of the Bodysnatchers
(1956)

A doctor finds that several of the members of his practice are suffering from delusions that their loved ones and friends are imposters. He is sceptical at first, but eventually he comes round to the idea that something strange is happening.

It Came from Outer Space
(1953)

John Putnam a schoolteacher and amateur astronomer along with his girfriend, Ellen, watch a meteor fall in the Arizona desert. John inspects the crater and sees a spacecraft with a strange alien being inside. Nobody believes him, but they suspect he may be right when the townsfolk start to act strangely.

It Conquered the World
(1956)

A disillusioned scientist picks up the voice of a Venusian on his radio. The alien wants to conquer the world by using its mind control devices, but it persuades the scientist to help by convincing him that he wants to bring peace to the Earthby eliminating emotions.