Dragnet to The Single Guy
12 connections
Dragnet
Adam-12
The main characters from Adam-12 appear as witnesses in an episode of Dragnet
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
Mannix
Mannix returned to TV on an episode of Diagnosis Murder to solve an old unsolved case with the help of Dr Mark Sloan.
Here's Lucy
Here's Lucy's Lucy Carter and Mannix's Mannix are held hostage in an episode of Here's Lucy.
Make Room For Granddaddy
Make Room for Grandaddy's Williams had Here's Lucy's Lucy Carter as a houseguest
The Danny Thomas Show
The Danny Thomas Show came back as Make Room For Granddaddy
The Dick Van Dyke Show
The Dick Van Dyke Shows' Buddy appeared in an episode of The Danny Thomas Show
Mad About You
Richard Diamond, Private Detective's Sam reprise her role on an episode of The Dick Van Dyke Show.
Friends
Friends was affected by the blackout created by Mad About You's Jamie on Blackout Thursday.
The Single Guy
Friends' Ross visited The Single Guy's Janeane