Like many other sci-fi movies from that glorious decade -- the 1950s -- this one begins with some promise. A team of astronauts flying past Mars is suddenly caught in a time-warp which sends them hurtling into ... Well, the set-up is much better than the pay-off which involves the usual futuristic women in short skirts and padded shoulders walking around in front of cheap sets mouthing banal dialog. Rod Taylor bares his chest for a I've-just-come-out-of-the-shower scene which easily qualifies as the best bit of "beefcake" in this entire genre.