Jennifer Hasty

It's Halloween and the office plans a 'Haunted House' for the children in the community. Michael falls into a koi pond at an important business meeting. Meanwhile, Pam and Andy go cold calling to drum up more sales.

After an amazing date with Justin in Indianapolis, Leslie tries to impress him with a dinner party at her house.

Jessica's college boyfriend, Oscar Chow, comes to visit. She's a bit miffed that Louis isn't a little more jealous but she's got a blind spot and is completely oblivious to the fact that Oscar is gay.

After coming out of the closet to Honey and Jessica, Nicole struggles with telling Marvin, fearful that her father will be disappointed in her.

In this Addison-centric episode, her role as a parent is challenged when Henry's biological mother reappears and asks to be more involved in her young son's life.

It's time for the annual cheerleading tryouts, and Riley is determined finally to make the squad. Perez Hilton guest stars.