February 17 will mark the changing of the guard with Jimmy Fallon taking over from Jay Leno  as host of The Tonight Show  , and NBC has just released its first video promoting the big event.

Hyping the late night talker's "tradition," the video includes segments of every host through the years, even the short-lived Conan O'Brien stint, and appears to want to send a message that this is a smooth transition from Leno to Fallon.

Fallon's ability