Jimmy Fallon's theme song mash-up
UNDATED (WHDH) -- Jimmy Fallon was talking to the cast of "Guys with Kids" when they started talking about themes songs and broke out into a mash-up of TV theme songs.
Various theme songs were included, like Friends, Cheers, Saved by the bell, All in the Family and more.
“Guys with Kids” airs Wednesdays at 8:30.
Fallon the executive producer of the show and he sings the theme song.