Prep & Landing: Nice vs. Naughty
Prep & Landing: Naughty vs. Nice is a 2011 computer animated 3-D television special, produced by Walt Disney Animation Studios, and directed by Kevin Deters and Stevie Wermers-Skelton. It aired on December 5, 2011, on the ABC TV channel. The special is the second and final half-hour Christmas special, and the fourth and final short film in the Prep & Landing series, after Prep & Landing, Tiny's BIG Adventure, and Operation: Secret Santa.
The beginning of the special introduces the Coal Elf Brigade, a special unit of Christmas elves that is responsible for delivering lumps of coal to naughty children. While seeming cruel to some, the brigade adds small, encouraging notes to the lumps such as "Try Harder next year," in an attempt to steer the children back to the nice list.