Mr. Peabody invents a machine that can transport the whole penthouse to any location, but it malfunctions and they get stuck on the moon.
Catherine's roller coaster breaks, and it's up to the duo to find her sister, who is the only one that can fix it.
Sherman and Boogaz have to take care of an egg for school.
Mr. Peabody and Sherman take the first ever train ride.
Peabody attempts to host the show without his glasses.
Mr. Peabody tells the story of how they met Sweet Tune.
Sherman attempts to break a world record.
The duo travels to Easter Island to find that the statues are alive.
Sherman has trouble staying awake after watching a horror movie.
Peabody and Sherman have to convince superstitious sumo wrestler Akashi Shiganosuke to get back in the ring.
When Orchoptitron gets dumped, the gang helps him get a new girlfriend.
Queen Elizabeth gets flushed down the toilet, and Peabody, Sherman, and Harrington attempt to rescue her.
Hobson swallows a tiny Sherman, and Peabody has to rescue him, 'Fantastic Voyage'-style.
The duo helps a teenage Oakley when Billy the Kid steals her lucky water gun.
Mr. Peabody goes on a diet.
Ponce de León searches for the fountain of youth, and is accidentally turned into an old man.
A sophisticated spy visits and shares his cool secret agent gadgets with Mr. Peabody.
Cartwright invents baseball, but due to his poor sportsmanship, no one wants to play it with him. (Oh, and let's not forget that he keeps changing the rules.)
Sherman swaps places with a 11-year-old emperor from ancient China for a day.
Angry spirits keep Charles Dickens from finishing "A Christmas Carol".
Mr. Peabody tries to re-create his old band, The "Ruff Guyz".
Instead of selling potato chips at his restaurant, George Crum uses one to run for President.
Nomastradamus delivers a cryptic riddle on the show, throwing the duo and their neighbors into chaos.
Peabody and Sherman help Sacagawea track down Lewis and Clark.
The previous time-travel adventure characters cause a riot in the middle of the show.
Peabody and Sherman help Aristophanes track down his comedy muse.