Season 4 Episode 3: Mr. Monk Stays in Bed
In this episode, Will, Keiko, and special guest Amber Benson from Buffy the Vampire Slayer discuss fighting with siblings, not having a car in LA, sweating, and Bob the pizza guy delivers small pizza.
When Natalie finally catches up with the pizza guy who mistakenly left her $50 in change, she finds him dead in his car. She feels compelled to solve the murder but Monk, sick in bed, offers little help. (IMDB)
Wham: "Last Christmas"