The two programs will repeat Thursday, Dec. 16, at 8 p.m., ET."Operation: Secret Santa" was written and directed by Stevie Wermers-Skelton & 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 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 Morgan Sheppard) and doomed to placement on the Naughty List?