Benson to Dragnet 67
13 connections
Benson
Soap
Soap's Benson DuBois spunoff on to his own show, Benson
Hanging In
Maggie Gallagher from Hanging In crossed over onto Soap
Maude
Hanging In (and Maude's) Maggie Gallagher crossed over onto Soap for 10 episode
All in the Family
The first All in the Family spinoff character was Maude. Maude was Edith Bunker's cousin.
The Jeffersons
The Jeffersons' George Jefferson was the second All in the Family supporting character to spinoff onto his own show.
Mission: Impossible (1966)
George Jefferson gets help from Barney Collier from Mission Impossible
Mission: Impossible (1988)
Mission: Impossible was continued 22 years later
Diagnosis: Murder
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.
Matlock
Diagnosis Murder's Dr Mark Sloan was defended by Matlock when Sloan was accused of murder
Emergency!
Both feature the fictional Trans Global Airlines
Adam-12
Emergency! had a crossover with Adam-12 to find a boy who ran away from the hospital.
Dragnet
The main characters from Adam-12 appear as witnesses in an episode of Dragnet.
Dragnet 67
Dragnet spun off Dragnet 67