Better Call Saul to Chicago PD
5 connections
Better Call Saul
Breaking Bad
Breaking Bad spun off the prequel Better Call Saul
The X-Files
Breaking Bad characters rented cars from the Lariat Rent-A-Car which Mulder and Scully frequently rented from on X-Files.
Homicide: Life On The Street
Homicide's John Munch questioned The X-Files' The Lone Gunmen.
Law & Order: Special Victims Unit
John Munch was a detective Homicide and then SVU
Chicago PD
Chicago PD crossover to Law & Order: SVU