

A research scientist becomes the world's first pregnant man in order to test a drug he and a colleague have designed for expectant women. To carry out the trial, he has an embryo implant, believing that he will only carry the baby for three months – hardly expecting to face the prospect of giving birth.
Acting
Arnold commits to pregnancy hormones fully
Practical Effects
The belly prosthetics are... a choice
Costume
Maternity wear on Austrian Oak physique

Director
Ivan Reitman
Trivia, insights & behind the scenes
Arnold turned down Street Fighter for this. Let that sink in. He also did his own 'delicate condition' stunts.
This bombed with critics but made $108 million, proving 1994 audiences would watch literally anything with Arnold attached.