Manny the mammoth, Sid the loquacious sloth, and Diego the sabre-toothed tiger go on a comical quest to return a human baby back to his father, across a world on the brink of an ice age.

Ray Romano
as Manny (voice)

John Leguizamo
as Sid (voice)

Denis Leary
as Diego (voice)

Goran Višnjić
as Soto (voice)

Jack Black
as Zeke (voice)

Cedric the Entertainer
as Carl (voice)

Stephen Root
as Frank / Start (voice)

Diedrich Bader
as Oscar (voice)

Alan Tudyk
as Lenny / Freaky Mammal / Dab (voice)

Lorri Bagley
as Jennifer (voice)
CinemaSerf
"Manfred" the mammoth is heading north just as just about every other critter is migrating the other way to avoid the harsh winter. Unfortunately for him, he encounters the sleepy-head sloth "Sid" whom he rescues from a pair of rhinos, only to bitterly regret his kindness as this pesky mammal is soo...
Andre Gonzales
I actually enjoy this animation series. Every one is really funny and has a good story....