

In 1960, four American scientists travel to a planet that has just entered Earth's solar system to see if it's able to support an Earth colony. They find an oxygen atmosphere, a lush earth-like forest, and earth-like animals living around a potable fresh-water lake.
Practical Effects
Legitimately just iguanas and a sloth with prosthetics.
Direction
Bert I. Gordon's 'giant creature' obsession begins here.

Director
Bert I. Gordon
Trivia, insights & behind the scenes
All dinosaur footage was recycled from 1940's 'One Million B.C.'—Bert I. Gordon built his entire career on reusing and enlarging existing footage with forced perspective.
The casual nuclear bombing of an inhabited planet as a 'happy ending' perfectly captures 1950s American faith in atomic solutions and colonial entitlement.