"Ice Age: The Meltdown" seems like one of those straight-to-DVD animation sequels the studios love to churn out, and not just because of the colon in its title. This follow-up distills the content of ...

He’s the centerpiece of the movie’s poster. He’s the creature the kids are all waiting to see. And he steals the show with every fleeting moment he’s on screen. The cheery animated sequel ‘‘Ice Age: ...