Once the musical guest finished, Fallon bid the viewers farewell.
As credits rolled, Fallon ran up and down the stairs of the studio giving high fives to the audience before exiting backstage.
Fridays were also reserved for Fallon to write "Thank You Notes" to figures that have given him material for the past week.
The popularity of these "Thank You Notes" led to the release of two books full of the favorites.
Michaels soon tasked Fallon with "training" for the gig by returning to his stand-up roots; for eight months, Fallon toured college campuses and comedy clubs, where he tested out a new, 50-minute routine.