Jay Leno and Jerry Van Dyke in The Tonight Show Starring Johnny Carson (1962)

Jay Leno and Dennis Gage in My Classic Car (1997)

Tim Allen and Jay Leno in Jay Leno's Garage (2015)

Jay Leno and Jimmy Fallon in The Tonight Show Starring Jimmy Fallon (2014)

Jerry Seinfeld and Jay Leno in Jay Leno's Garage (2015)

Hector Elizondo, Jay Leno, Jonathan Adams, and Christoph Sanders in Last Man Standing (2011)

Hector Elizondo and Jay Leno in Last Man Standing (2011)

Pat Morita and Jay Leno in Collision Course (1989)

Johnny Carson, Jay Leno, Conan O'Brien, Steve Allen, Jimmy Fallon, and Jack Paar

Jay Leno in The Tonight Show with Jay Leno (1992)

Michael Caine, Stéphane Audran, Martin Balsam, Cybill Shepherd, David Warner, Jay Leno, Louis Jourdan, and Tom Smothers in Silver Bears (1977)