Club Penguin are previewing their holiday special: "We Wish You a Merry Walrus" right now on the What's New blog. I have embedded it below if you prefer to watch it from CheatsWithDino.com directly.
We Wish You a Merry Walrus is a holiday-themed television special based on Club Penguin. It features a multitude of new and old characters from the franchise, such as Roofhowse and Rockhopper, who go on a mission to save the Merry Walrus. Source.