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
Stanley Tucci
Leonardo da Vinci (voice)
Patrick Warburton
Agamemnon (voice)
Ariel Winter
Penny Peterson (voice)
Walt Dohrn
French Peasant / Taxi Driver / Spartacus (voice)
Allison Janney
Ms. Grunion (voice)
Dennis Haysbert
Judge (voice)
Leslie Mann
Patty Peterson (voice)
Stephen Colbert
Paul Peterson (voice)
Karan Brar
Mason (voice)
Mel Brooks
Albert Einstein (voice)
Lake Bell
Mona Lisa (voice)
Stephen Tobolowsky
Principal Purdy (voice)
Thomas Lennon
Italian Peasant #2 (voice)
Ty Burrell
Mr. Peabody (voice)
Steve Valentine
Ay (voice)
Jess Harnell
Abraham Lincoln / George Washington / Bill Clinton / Isaac Newton / New York City Cop (voice)