Oz to Person of Interest
4 connections
Oz
Homicide: Life On The Street
Homicide's detectives watched Oz's Miss Sally on TV.
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.
Person of Interest
In the pilot of Person of Interest John Reese's suspect Diane Hanson has emails numerous characters from Fringe