|Sherman's Pet / Marco Polo|
|Season 1, Episode 3|
|Air date||October 9, 2015|
|Written by||Marco Schnabel|
|Directed by||Mike Bell|
|"Stuck / Mozart"||"Handcuffs for a Song / Wright Bros"|
- Chris Parnell as Mr. Peabody
- Max Charles as Sherman
- Da'vine Joy Randolph as Christine
- David P. Smith as Orchoptitron
- Nolan North as Marco Polo
Sherman begs Mr. Peabody to let him keep a wolly mammoth as his pet. / Mr. Peabody and Sherman try to get Marco Polo to taste noodles.
- Mr. Peabody's Storybook is parody of Dr. Seuss' Green Eggs and Ham.
- Mr. Peabody and Sherman also met Marco Polo in an episode of Peabody's Improbable History.
- Charles Darwin made his first appearance.