"Ice Age: The Meltdown" is an animated film that serves as the sequel to the original Ice Age. Released in 2006, it follows the adventures of familiar characters like Manny the mammoth, Sid the sloth, and Diego the saber-toothed tiger as they navigate a warming world. The melting ice threatens their home, prompting them to embark on a journey to find a safe haven. Throughout their adventure, the trio encounters new characters, including Ellie, a female mammoth who believes she is a possum, and Crash and Eddie, her playful possum brothers. Together, they face various challenges and learn the importance of friendship and family in the face of change.