At 1:23:30 John is seen with a pulp western paperback, "Smoking Shells" by Kid Shelleen. Kid Shelleen is the name of the drunken gunfighter played by Lee Marvin in Cat Ballou (1965). It is not known if this was meant as some sort of inside joke.
At 3:25, Corabeth describes Mary Ellen as enceinte, an antiquated French term for pregnant.
When Flossie (Nora Marlowe) tells Elizabeth (Kami Cotler) that she will be having bad dreams, Elizabeth says "Not about a Ferris wheel, I hope!" In the episode "The Ferris Wheel" in the previous season, Elizabeth was having recurring nightmares about being on a Ferris wheel.
At 14:45 Grandpa tells Curt, "You're a hard man, McGee," a popular catchphrase at the time that originated on the "Fibber McGee and Molly" radio program.