Jefferson Mays (Albert Duhamel) and Bryce Pinkham (John Updike) starred together in "A Gentleman's Guide to Love and Murder" on Broadway in 2013.
In the gallery pre-opening scene, Paul acknowledges several guests, including the "radiant Sylvia Plath". Plath committed suicide (with a gas oven) on February 11, 1963, the same date as the premier of Child's "The French Chef".
As Alice is calling other stations her phone says area code 403. Since 1947 area code 403 has been assigned to Alberta Canada
At the beginning of the episode, Julia briefly sings "The Banana Boat Song" and mentions "Shake, Senora." Perhaps not coincidentally, both Belafonte songs are performed in "Beetlejuice," both the film and the musical.