Meet Mr. Peabody, the world's smartest dog and the genius behind the WABAC machine, a device that allows Mr. Peabody and his pet boy Sherman to travel back in time. Join the unlikely duo's adventures as they leave their mark on monumental events and keep history from becoming, well, history.

Invaders from the Third Planet of the Black Hole plan to take over the Earth with their powerful 400-foot tall robot Mechagodzilla!

Christmas has been canceled! Or at least it will be if Santa can't find a way to guide his sleigh through a fierce blizzard. Fortunately for him, there's Rudolph the Red-Nosed Reindeer.

Simon Barsinister invents the Big Dipper to dry up all the water in the world. Public Enemy Number One Riff Raff and his sidekick Mooch frame Underdog for the largest gold brick robbery in history. Polly Purebred is sent to a mysterious island to report on the world's mightiest monster, Fearo the Ferocious.

Presents seven animated Christmas tales, as they originally aired on network television.