James Douglas Muir Leno is an American television host, comedian, and writer. After doing stand-up comedy for years, he became the host of NBC's The Tonight Show with Jay Leno from 1992 to 2009.
Manny, Sid and Diego discover that the ice dam protecting the valley they were residing in was about to fall and eventually lead to floods. Soon after, they scamper off to find a safer habitat.
