According to Jim

Diamonds are a Ghoul's Best Friend (8x17)

Data di messa in onda: Giu 02, 2009

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.