90210 to The Wire
4 connections
90210
Beverly Hills 90210
90210 was a spun off of Beverly Hills 90210
The X-Files
Brenda Walsh picks up a Morley smoking habit while in Paris on Beverly Hills 90210
Homicide: Life On The Street
Homicide's John Munch questioned The X-Files' The Lone Gunmen.
The Wire
On The Wire (episode "That's Got His Own") Junior Bunk from Homicide was mentioned as someone who had once put bad drug product on the market causing deaths.