Conquest of Space / I Married a Monster From Outer Space (Blu-ray)

Conquest of Space (1955):
A group of Army volunteers leads a fantastic existence in a man-made space satellite that rotates around Earth. However, the death of one of the crew members throws the entire expedition into disarray.

I Married a Monster from Outer Space (1958):
Aliens arrive on Earth to possess the bodies of humans. One of their first victims is a young man, whose new wife soon realizes something is wrong with him.