Adam-12 to E/R (1984)
6 connections
Adam-12
Emergency!
Emergency! had a crossover with Adam-12 to find a boy who ran away from the hospital.
Matlock
Both feature the fictional Trans Global Airlines
Diagnosis: Murder
Diagnosis Murder's Dr Mark Sloan was defended by Matlock when Sloan was accused of murder
Mission: Impossible (1966)
Diagnosis Murder's Doctor Jesse Travis's father is a spy that someone is trying to kill. One of the possible suspects is the original Mission: Impossible's Cinnamon Carter.
The Jeffersons
George Jefferson gets help from Barney Collier from Mission Impossible
E/R (1984)
E/R's Nurse Julie Williams was related to The Jeffersons. And George Jefferson appeared on E/R