DC's Legends of Tomorrow to Private Secretary
12 connections
DC's Legends of Tomorrow
Arrow
DC's Legends of Tomorrow was a spin off of Arrow
Hawaii Five-O (2010)
Hawaii Five-O references Dominic Alonzo from Arrow
NCIS: LA
NCIS: LA and Hawaii Five-O worked together in a crossover episode to stop a smallpox outbreak
NCIS
NCIS: LA was a spinoff of NCIS
JAG
NCIS was a spinoff of JAG
Diagnosis: Murder
Oceanic Airlines
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 Lucy-Desi Comedy Hour
The Danny Thomas Show's Williams family shares a home (briefly) with the Ricardo family on The Lucy-Desi Comedy Hour in 1958, the next year the Ricardo family returned the favor and visited the Williams' on The Danny Thomas Show.
Private Secretary
Lucy Ricardo was friends with Susan McNamera from Private Secretary