Scrat has traditionally been the biggest scene-stealer in the Ice Age series, and here he's on top form as he breaks apart continents, gets lured into a siren's ... Ice Age 4 feels very much ...

A chipmunk army appears for no reason except to amp up the cuteness, and Sid turns out to speak fluent chipmunk because this yields a silly scene of ... the banter in "Ice Age 4" is wearying ...