Final appearance of Robin Colcord in the series.
Woody Harrelson (Woody) is only seen in the cold opening of this episode before the opening credits, but has no speaking lines. In the cold opening, Woody is seen riding his bike to work, chaining his bike up on a parking meter and then feeding the meter.
Diane is mentioned when Carla says to Sam that he should support them in finding the money as they did with him during his relationship with Diane
The title of this episode is a play on the title of the 1963 film "It's A Mad, Mad, Mad, Mad World" in which a number of characters are searching for buried treasure.