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

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.

Ken Jennings revealed to Variety that he called Brad Rutter, who is ahead of Jennings on the Leaderboard of Legends by only $600,000 in All-Time Winnings Including Tournaments. Jennings beat Rutter for most consecutive games won and All-Time Winnings in Regular Season Play.