Spaceship to the Unknown is currently streaming on Tubi

Spaceship to the Unknown (1966)98 minScience FictionRating 53/100

Hell bent on destroying humanity, Ming the Merciless sets his planet on a kamikaze run with Earth unless Flash and friends can get to Mongo in time.

Cast: Buster Crabbe, Jean Rogers, Frank Shannon, Charles Middleton, Priscilla Lawson, Richard Alexander, Jack 'Tiny' Lipson

Director: Frederick Stephani, Ray Taylor