704 Hauser to Gideon's Crossing

704 Hauser Street featured an African American family living in the house the Bunker's lived in on All in the Family. 704 Hauser Street's Cumberbatch family was visited by Archie Bunker's grandson during the show's first episode.

The Jeffersons' George Jefferson was the second All in the Family supporting character to spinoff onto his own show.

The Jeffersons family appeared on the final episode of Fresh Prince where they purchased the house from the Banks family.

Diff'rent Strokes' Arnold and Mr. Drummond considered buying the home of The Fresh Prince of Bel Air's Banks family.

Hello Larry's Larry Alder crossed over onto Diff'rent Strokes for 3 different 2-part episodes

Hello Larry's characters were mentioned on Hi Honey, I'm Home!.

Sally Rogers from The Dick Van Dyke Show was on Hi Honey, I'm Home!

Richard Diamond, Private Detective's Sam reprise her role on an episode of The Dick Van Dyke Show.

Friends was affected by the blackout created by Mad About You's Jamie on Blackout Thursday.

Caroline in the City's Caroline wished The Single Guy's Jonathan good luck

Fraiser's Niles and Daphne read Caroline in the City's comic strip.

Cheers spun-off Frasier

Ivan Tiggs and Shirley Schmidt from Boston Legal go out to dinner at Melville's restaurant from Cheers

Boston Public's Principal Steven Harper appeared on an episode of Boston Legal

The Practice's Ellenor Frutt and Boston Public's

The Practice's Ellenor Frutt visited Gideon's Crossing's Dr Gideon about pregnancy complications