Never mind that the freshness of the original Ice Age and its main characters Manny (Ray Romano), Diego (Denis Leary), and Sid (John Leguizamo) has dissipated. How many series could sustain themselves at all through a fourth iteration?

Yes, this is the part where I outsource my critical role to my children. If you are the kind of person who (quite understandably) abhors this particular gimmick, you may wish to stop reading now.

Feels less like Ice Age 4 than Ice Age 1.4.

Unless you've got little kids you need to entertain for an hour-and-a-half, don't waste any time on [this].