The Tonight Show with Jay Leno Season 16 Episode 175 - Jimmy Fallon, Neil DeGrasse Tyson, Lee Ann Womack

Airdate: 2009-Jan-19

Episode summary:

After Johnny Carson’s retirement from the show, Jay Leno stepped in as his permanent replacement. The format of the show has remained largely unchanged, consist...

About The Tonight Show with Jay Leno series:

After Johnny Carson’s retirement from the show, Jay Leno stepped in as his permanent replacement. The format of the show has remained largely...Show more >