Silver Spoons to The Mary Tyler Moore Show

Diff'rent Strokes' Arnold did a story for his school newspaper on Silver Spoons' Ricky.

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!.

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