When Andy offers Jerry the Managing Director's job he uses the phrase "To the manor born". Two years later Penelope Keith would take the lead role in the sitcom of the same name.
Margo asks Jerry if "hobbledehoy" is hyphenated, to which Jerry replies, "I don't know... Probably twice." It is, in fact, not even hyphenated once.
When the Good 's vandalised home is revealed there is awkward laughter from the studio audience who seem unsure of how to react to the sudden serious change of tone.