Patty McCormack (Teresa Pruitt) and Drea de Matteo (Angie Bolen), played mother and daughter in "The Sopranos". They did not share any scenes in this episode.
The title of this episode "I Guess This Is Goodbye", comes from a song of the same name in the Stephen Sondheim musical, 'Into the Woods' (1987).
Porter Scavo says to Tom: "When you jumped up on the coffee table and sang 'Margaritaville', maybe". Margaritaville is a 1977 song, by American singer-songwriter Jimmy Buffett.