Disney Prep & Landing is a computer animated television special, based on an idea by Chris Williams at Walt Disney Animation Studios and developed by Kevin Deters and Stevie Wermers-Skelton into a half-hour Christmas special. It first aired December 8, 2009 on ABC. A sequel, Operation: Secret Santa, aired on December 7, 2010, reprising the original cast with the addition of Betty White as Mrs. Claus. The second half-hour Christmas TV special, Prep & Landing: Naughty vs. Nice aired on December 5, 2011, on ABC.