Strange Luck to Unforgettable
4 connections
Strange Luck
The X-Files
The X-Files' Mulder is mentioned on Strange Luck by an FBI agent referencing a colleague who works on paranormal cases.
Homicide: Life On The Street
Homicide's John Munch questioned The X-Files' The Lone Gunmen.
Law & Order
Law and Order and Homicide crossed over on four episodes
Unforgettable
Hudson University was the setting of an episode of Unforgettable, the same Univeristy appears on Law & Order many times