It's Halloween at Seattle Grace! There may be jokes, pranks, and/or scare tactics. Some of the women form a club based on an experience they all share. A man volunteers for what most of the doctors believe is an unnecessary surgery. One of the patients is in the hospital because they tried to carve a pumpkin in an unconventional manner.

When Dennis is mistaken for a recently released child molester, he is more bothered by the fact that the guy is overweight rather than him being a sex offender. Meanwhile, Mac tries once again to bond with his ex-con father, who shows an interest in Dee.

The brothers investigate the death of a man who committed suicide in a church. However, Sam is forced to team up with an unexpected ally when Dean disappears with a female demon who is interested in him personally.

Dunder Mifflin decides to produce an ad, but things go awry when Michael hijacks the production. Dwight is busy also - exploring Second Life, an online website.