Happy Days/Marion: "Howard, Jerry Helper was not doing a Quasimodo joke."

Alan Brady himself appearing on Mad About You.

ALF watches the giving birth episode of The Dick Van Dyke Show.

In A King of Queens about separate beds, Doug and Carrie are watching an episode.

There are references in one or two episodes of Family Guy. One is about Laura's tight slacks.

In The X-Files ep.,"Arcadia", Mulder and Scully go undercover as Rob and Laura Petrie.