This is a list of the "Law & Order" and "Chicago" franchises, which frequently crossover with each other, as well as other TV shows and movies they crossover with, or at least share the same universe.
FIRST SHOW: Cheers - S03E02LAST SHOW: Adventures of Sonic the Hedgehog - S01E30
SHOWS STARTED:Total EclipseVeronica MarsSupernanny UKLove is BlindThe O.C.
SHOWS COMPLETED:KeysLie to MeUnbelievableLooking for Alaska
Law & Order: Chicago - Extended Universe
by John SheldonVIP EP 3