Times are changing for Manny the moody mammoth, Sid the motor mouthed sloth and Diego the crafty saber-toothed tiger. Life heats up for our heroes when they meet some new and none-too-friendly neighbors – the mighty dinosaurs.
Into the world of the Emperor Penguins, who find their soul mates through song, a penguin is born who cannot sing. But he can tap dance something fierce!
The offspring of sportsman canine Air Bud: B-Dawg, Mudbud, Budderball, Buddha, and Rosebud, uncover a kidnapping plot motivated by a little rich boy's desire to have the world's most athletic dog as a pet.
