Once Upon a Time to The Bob Cummings Show

Characters drink MacCutcheon Whiskey on both shows

The airplane that crashed and strand the cast of Lost was Oceanic Airlines Flight 815 also featured on Diagnosis Murder.

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's Lucy Carter and Mannix's Mannix are held hostage in an episode of Here's Lucy.

Here's Lucy's Lucy Carter was visited in two episodes by The Bob Cummings Show's Bob Collins.