State visits made by Queen Elizabeth II 26 February - 6 March 1983 - United States - San Diego, Palm Springs, Los Angeles, Sierra Madre, Duarte, Santa Barbara, San Francisco, Sacramento, Stanford, Palo Alto, Yosemite, Seattle - President Reagan.
Katie refers to the painters as nerds. Larry B. Scott, who plays Little John, would play Lamar in Revenge of the Nerds (1984) shortly after this episode was filmed.
The mansion is 2 floors and you would assume that the kitchen is on the ground floor, but Kraus has pots collecting water from a leaky roof in the kitchen instead of the second floor.