Adam-12 to The Young Marrieds
5 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
All My Children
All My Children and Loving feature the fictional Trans Global Airlines
General Hospital
All My Children and General Hospital crossed over a number of times.
The Young Marrieds
The popular drink Slusho from Lost also turns up on Glee.