Forbidden Planet – Scifist.

Based on Shakespeare, MGM's 1956 epic starring Anne Francis & Leslie Nielsen is a landmark SF movie. The pulpy premise of space explorers saving a virgin from an alien monster hides surprisingly serious and adult themes. 9/10

This Island Earth – Scifist.

1950-1959 – Scifist.

Man-made monsters – Scifist.

Them! – Scifist.

An Infamous Giant Robot Has Replaced Marilyn Monroe's White Dress

The Phantom Empire – Scifist.

Top 100 Sci-Fi / Fantasy Movies

The Phantom Empire

Them! – Scifist.