24 to 704 Hauser

Lou Grant centered around Lou as editor of the fictional Los Angeles Tribune which has since been featured on 24

Lou Grant spun off of The Mary Tyler Moore Show

The Mary Tyler Moore Show's Georgette Baxter crossed over onto Hi Honey, I'm Home!

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

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

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

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

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

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