American computer-animated adventure comedy film produced by Blue Sky Studios, DreamWorks Animation and Nickeloedon Movies (with Nickelodeon Studios) and distributed by 20th Century Fox and Paramount Pictures, released in 2009. It is the sequel to Ice Age: The Meltdown (2006) and the third installment in the Ice Age film series. In the film, while Manny and Ellie are preparing for their baby, Sid the Sloth is kidnapped by a female Tyrannosaurus after stealing her eggs, leading the rest of the herd to rescue him in a tropical lost world inhabited by dinosaurs underneath the ice.