Here, the writers proposed a question, a 'what if?' question about time travel. Yes, I'm one of those guys who saw it 30 years ago as a kid on TV during a Saturday matinée slot or something but I've seen it again within a couple of years ago and it's still quite entertaining. Of course, they had very little money for props and such, but the story is more inventive than 95% of the stuff that's released now or has been since the nineties no, make that the eighties.
The reason a film such as this (low budget '50s or '60s sci-fi) is on many viewers favorites lists is not necessarily fond childhood memories or nostalgia - it's because it's well made.
