Mr. Peabody was originally a backup segment on The Rocky and Bullwinkle Show, and the pedigreed pooch has tended to play a bit of a second banana to his more famous stablemates, which might be why ...

The Guapo Brothers offer to give Peabody and Sherman their show back. But first, they'll have to capture Jesse James, Belle Starr and Genghis Khan. With the outlaws still on the loose, Peabody ...