10 times 'Red Dwarf' beat other TV shows and movies to brilliant sci-fi ideas

For a show with no aliens or faster-than-light travel, "Red Dwarf" has crammed an awful lot of sci-fi concepts into its 13 seasons. Frequently as smart as "Star Trek" — albeit on a much smaller budget — Rob Grant and Doug Naylor's BBC sitcom always punched above its weight when it came to big genre…