Sandy and Martin and the rest of the group watch Levinson's 1982 film, "Diner," which starred Paul Reiser. Martin, played by Reiser in this show, asks Sandy to find out what it's like working with Kevin Bacon (who co-starred in "Diner").
Christine Ebersole plays Paul Reiser's mom with the help of aged-makeup; she's only three years older, and much younger than Michael Douglas, but is playing a character older than both.
When talking about Martins Hair, Kathleen Turner cites the Musical Hair with the line -Flow it, show it, long as god can grow it-