Early Edition to Person of Interest
5 connections
Early Edition
Chicago Hope
Early Edition's Gary and Marissa went to Chicago Hope's hospital for medical treatment
Homicide: Life On The Street
Chicago Hope's Jeffrey Geiger accepted an organ of a victim on Homicide
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