In the opening scene, Scrat, the saber-toothed squirrel climbs a glacier to bury his acorn, but accidentally opens a hole in it, causing water to spurt out. The world of ice is slowly melting. The creatures of the Ice Age are all shown enjoying themselves on slides and pools made by the melting ice; among them the three protagonists of the first film: Manny, Sid, and Diego

• Ice Age The Meltdown
• Josh Peck
• Queen Latifah
• Jay Leno
• John Leguizamo
• Denis Leary
• Seann William Scott
• Will Arnett