When does Prep & Landing return?

Prep & Landing is an American animated television special, based on an idea by Chris Williams at Walt Disney Animation Studios and developed by Kevin Deters and Stevie Wermers-Skelton. 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.