Grace says she's been working for NBC since "The Jack Paar Show"
one of the writers asks Carol if the Air Force was like "Top Gun"
Frank mentions that Steve Urkel's catchphrase was "Did I do that?"
Kenneth prepares Dave's audience while they are waiting in line. There is also a placard for the Late Show behind him in the final scene.
Kenneth has a tote bag with the show's logo
Liz and Carol watch the show