Prep & Landing: Operation Secret Santa, featuring the voice of as Mrs. Claus, is slated to air Tuesday, December 7 (8:00-9:00 p.m., ET), during the holiday classic, A Charlie Brown Christmas The seven-minute animated short is the second installment from the Emmy Award-winning franchise Prep & Landing. These two programs will repeat Thursday, December 16 from 8:00-9:00 p.m., ET.

Operation: Secret Santa was written and directed by Stevie Wermers & Kevin Deters, produced by Dorothy McKim, and executive-produced by John Lasseter. This Prep & Landing "stocking stuffer" short film follows the comic adventures of Santa's stealthiest elves, Lanny and Wayne. With Christmas only a few short days away, Mrs. Claus, voiced by Betty White, and Magee, voiced by Sarah Chalke, enlist Wayne, voiced by Dave Foley, and Lanny, voiced by Derek Richardson, on a secret mission to retrieve a mysterious item hidden deep within Santa Claus' office! Can the intrepid duo acquire the target in time, or will they be discovered by the Big Guy, voiced by William Morgan Sheppard, and doomed to placement on the Naughty List?

Walt Disney Animation Studios brings imagination to life through a wide variety of animated films, building upon an unsurpassed legacy for humorous and heartfelt storytelling, unforgettable characters, incredible artistry and cutting-edge innovation. The WDAS crew is filled with diverse talents from all around the globe, and their dedication and passion for telling great stories through the art of animation, and using the latest technological advances, has led to the creation of some of the industry's most successful and exciting entertainment. The studio's latest animated feature, Tangled, raises the bar for CG character animation in terms of nuanced expression and performance, and brings a fun-filled new twist to a well-known tale.

A TV parental guideline will be assigned closer to airdate.