Three's Company to Webster
11 connections
Three's Company
Ellen
Ellen meets Stanley Roper of Three's Company while looking for a roommate
Grace Under Fire
Ellen and Grace Under Fire crossed over in a cross over themed night
Coach
On a network crossover night, The Drew Carey Show, Grace Under Fire's Grace Kelly, Coach's Luther and Ellen's Paige and Spence all show up
Newhart
Newhart's Larry, Darryl and Darryl squatted in Coach's Hayden and Christine's home
The Bob Newhart Show
The Bob Newhart Show's Bob Hartley woke up after dreaming the entire series Newhart during Newhart's finale.
St. Elsewhere
The Bob Newhart Show's Elliot Carlin visited the psych ward at St Elsewhere's St Eligius Hospital.
Cheers
St Elsewhere's Westphall, Craig and Auschlander visited Cheers' bar
Frasier
Cheers spun-off Frasier
The John Larroquette Show
John Larroquette Show's John Hemingway called into Fraiser's show
Star Trek the Next Generation
THe John Larroquette Show reference Yoyodyne which is the company that makes some of the starships mentione on Star Trek: TNG
Webster
Through a video game he is playing Webster time and space travels to U.S.S. Enterprise-D where he spends an episode with Worf.