David Steinberg Guest Hosted The Tonight Show

Steve Allen, Jack Paar, Johnny Carson, Jay Leno, Conan O’Brien, and now, coming up, Jimmy Fallon are the handful of people that can call themselves the host of the legendary Tonight Show.

Well, believe it or not, there has been a guest host of The Tonight Show as well in David Steinberg. Not only did he appear a record number of times, but he also filled in for Johnny Carson more than a few times.

Watch the story on Fallon here.