GOOF: The ring Ken is wearing switches between his right hand and left hand in the opening scene.
GOOF: The boy puts the note in Dave's car on the passenger's seat, but when Dave opens his door the note is on the driver's seat.
Dave (into dictating microphone, after seriously dictating a letter): Now I'd like to sing a song I first introduced in The Little Show in 1903.
Ken: Does this pass normally, or should I call a doctor?
Dave: I'm happy. So sue me. (Into dictating microphone) Goodbye, Mr. Pruitt, it's been dull.
Cha Cha's birthday is January 2nd.
Cha Cha sings "Dancing in the Dark" and "You and the Night and the Music". The footage of "Dancing in the Dark" is the same used in the episode "The Clown"; while the footage of "You and the Night and the Music" is the same as in the episode "According to Our Files".
Sandy and Daphne do not appear in this episode.
Dave: Now I'd like to sing a song I first introduced in The Little Show in 1903.
The Little Show was a play that opened in 1929 (not 1903 as Dave joked). It was the first of 11 plays to feature songs from the songwriting team of Arthur Schwartz and Howard Dietz.