Childhood missed?

[Pyrate Jim]

A Star Trek crossover with the Flintstones? I guess I missed it.
Do You Remember the STAR TREK and FLINTSTONES Crossover?

[Sneak Miester]

Cool

[Hp_lovecraft]

I don't remember that, but I remember the jetsons on the flintstones.

in the late 70s, and 80s, crossovers were huge in cartoons and tv shows. The alien Mork was on Happy days.