As of this episode, Grey Griffin takes over as the voice of Martin, Sherri and Terri, after Russi Taylor's death in July 2019.
Series creator Matt Groening grew up in Portland, Oregon. Many of the character names from the show--including Lovejoy, Flanders and Dolph--come from streets near his childhood home. When Homer and the kids arrive to see Marge, they drive by many of these streets.
Billboard gag: The Krusty the Clown Show. The only thing not on Disney+
Couch gag: The Simpsons set on the couch and enter a water ride similar to Pirates of the Caribbean. They plummet down a waterfall and crash and Homer asks, "Did they get a picture?"
Chalkboard gag: Daylight savings isn't something I can spend.