A sophisticated spy shares his cool secret agent gadgets with Peabody. Alexander Cartwright invents baseball, but he keeps changing the rules!

Sherman swaps places with an 11-year-old emperor from ancient China. Angry ghosts keep Charles Dickens from finishing his novel "A Christmas Carol".

Archaeologist Sherman digs up a secret from Peabody's past. Sherman and Peabody can't stop snacking on George Crum's tasty invention: the potato chip!