There's a big win on this week's "Who Wants to Be a Millionaire." Ken Jennings explains how Jimmy Kimmel convnced him to pair up with Matt Damon.

Matt Damon and Ken Jennings won $1 million for charity with help from Jimmy Kimmel on "Who Wants to be a Millionaire."

Ken Jennings and Matt Damon just won $1 million, much to Jimmy Kimmel 's dismay. Jennings, along with trivia partner Damon, won the grand prize when they correctly answered the 15th and final question on the July 30 episode of Who Wants to Be a Millionaire.