Nobody in space can hear you scream… with laughter, but they might after you've watched these sci-fi comedies.

If you were holding out hope for a fourth "Back to the Future" movie that would hopefully touch on Doc and Clara Brown's family and how Marty and Jennifer turned out, you're about to have your dreams ...

Don't expect another Back to the Future film, as co-writer Bob Gale seemingly shoots down the possibility despite fan desires ...