A young boy and his dog, who happens to have a genius-level IQ, spring into action when their time-machine is stolen and moments in history begin to be changed.
Directed by
Rob Minkoff
Ariel Winter
Penny Peterson (voice)
Stanley Tucci
Leonardo da Vinci (voice)
Stephen Colbert
Paul Peterson (voice)
Allison Janney
Ms. Grunion (voice)
Stephen Tobolowsky
Principal Purdy (voice)
Patrick Warburton
Agamemnon (voice)
Leslie Mann
Patty Peterson (voice)
Lake Bell
Mona Lisa (voice)
Dennis Haysbert
Judge (voice)
Ty Burrell
Mr. Peabody (voice)
Max Charles
Sherman (voice)
Karan Brar
Mason (voice)
Mel Brooks
Albert Einstein (voice)
Thomas Lennon
Italian Peasant #2 (voice)
Nicholas Guest
French Peasant (voice)
Zach Callison
King Tut (voice)
Steve Valentine
Ay (voice)
Scott Menville
Additional Voices (voice)
Joshua Rush
Carl (voice)
Walt Dohrn
French Peasant / Taxi Driver / Spartacus (voice)
Jess Harnell
Abraham Lincoln / George Washington / Bill Clinton / Isaac Newton / New York City Cop (voice)