The BEST episodes directed by Christopher J. Nowak

#1 - Diamonds are a Ghoul's Best Friend

According to Jim - Season 8 - Episode 17

It's Cheryl's birthday and Jim decides to buy her a diamond necklace. But in an attempt to save money, he buys the necklace from Andy's unreliable source and soon learns that it was taken off of a dead woman whose ghost now begins to haunt him.