A malfunctioning machine strands Peabody, Sherman and their whole audience on the moon. Catherine the Great invents the world's first roller coaster.

Sherman and Boogaz pair up as egg parents for a school project. Engineer George Stephenson needs Peabody and Sherman's help stopping a runaway train.

Ringmaster Peabody and temporarily tattooed Sherman host a circus-themed show. Sweet Tune, Sherman and Peabody pursue a band of thieving monkeys.

Sleepy Sherman struggles to stay awake during the show. Superstitious sumo wrestler Akashi Shiganosuke decides to become a Kabuki dancer instead.

Orchoptitron is depressed because his girlfriend dumped him. John Harrington makes the 1500s smell a lot better when he invents the toilet.

Mr. Hobson accidentally eats a shrunken Sherman. Teenage Annie Oakley shows off her sharpshooting skills in the Old West.

Pudgy Peabody can't stop eating. Spanish conquistador Ponce de León is looking for the Fountain of Youth, but he has a very short attention span.

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!

Nostradamus delivers a cryptic riddle on Family Fun Night. In 1805, Sacagawea helps Peabody and Sherman track down explorers Lewis and Clark.

Cleopatra, Mark Twain and other disgruntled guests stage a protest during the show's finale. Aristophanes's jokes flop when his comic muse flees.