The Crystal Maze/WMG

The contestants are all trapped in purgatory
That's why they consistently display Genre Blindness and Too Dumb to Live tendencies - they're dead, which throws off their minds a bit. The capricious, Nintendo Hard nature of the Crystal Dome is the final and worst of their trials - those few teams who succeeded made it to Heaven. (This is also why ; Children Are Innocent, after all.)

Richard O'Brien is The Doctor
Let's see: To say nothing of the strange alien theme park setting...
 * Rudeness
 * Companions
 * An awful lot of running (including hand holding)
 * A strange dress sense
 * Manic behaviour
 * Smug Super attitude
 * His harmonica seems like a replacement for his recorder