Law & Order to Twin Peaks
4 connections
Law & Order
Homicide: Life On The Street
Law and Order and Homicide crossed over on four episodes
The X-Files
Homicide's John Munch questioned The X-Files' The Lone Gunmen.
Fringe
Fringe makes reference to The X-Files classification of files.
Twin Peaks
Fringe's Walter is friends with Dr. Jacoby from Twin Peaks