Periodically throughout the animated sci-fi sitcom "Futurama," the couch potato characters will sit in front of their 31st-century TV and take in an episode of "The Scary Door." "The Scary Door" is the future's take on "The Twilight Zone," complete with a Rod Serling-like announcer (played by Maurice Lamarche) explaining the weird ironies about to be witnessed. Naturally, the twist endings in "The Scary Door" go beyond irony and dive headfirst into absurdity. 

In one episode, a gambler dies and awakens in an afterlife casino. He wins once and figures it must be Heaven. He wins twice and figures that it must be Hell; what gambler wants to win every time? But then he realizes that his afterlife casino is actually on a plane ... and there's a monster on the wing of the plane. When he calls someone for help, he realizes that he is also Adolf Hitler. He...