"Deuce," mentioned by Mac at roll call, is slang for someone driving under the influence. Its origin is from the California state penal code where drunk driving was under section 502.
Early in the show when Reed and Malloy arrive to help 'Santa' - a truck trailer can be seen in the background. It is the same Suncoast Electronic Supply truck from the previous episode.
The Pilgrimage Theater, where the Nasheboo family is found sleeping, is the original name of what was renamed in 1976 The John Anson Ford Theater, shortened to The Ford. Located in the Hollywood Hills, the theater, an amphitheater, was built in 1920, and designed by Bernard Maybeck for author and heiress Christine Wetherill Stevenson, it where she could mount performances of her "The Pilgrimage Play."
211 = robbery.