As a sci-fi fan, movies like Back to the Future, Interstellar, and Guardians of the Galaxy never get old, due to their gripping yet entertaining plot.

Happy Days launched a number of spin-offs, but one of its weirdest had an unexpected connection to Scooby-Doo, Where Are You!

Toei Animation released one of its most influential science fiction anime ever, with much more to come from then on.