Xmas Time Is Fear is the sixth issue of the Futurama series of comic books.
The plot premise involves an alliance between three of the galaxy's most evil villains: The Robot Devil, Santa Claus and Richard Nixon's Head. Basically, the Robot Devil tries to get Bender (amongst other robots) to gather everybody of New New York into Times Square, with the message that Robot Santa has been reprogrammed to be nice. However, the real fact is that Santa hasn't changed at all, and is preparing to slaughter everybody there. To discover the motives for Beelzebot and Nixon, you'll have to read it.