Melrose Place to Person of Interest
4 connections
Melrose Place
Beverly Hills 90210
Kelly Taylor from Beverly Hills 90210 and Jake Hanson from Melrose Place dated to launch Melrose Place's spinoff
The X-Files
Brenda Walsh picks up a Morley smoking habit while in Paris on Beverly Hills 90210
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