The Office Season 8 Episode 5 (10/27/11)
It was Halloween in Scranton, and Robert California came to visit. Andy wants to impress Robert yet again, so he decides Erin's decorations just weren't cutting it. He enlists Angela and Phyllis to help her so Erin gets upset. At the end of the day Andy tells Erin that he has been seeing someone and didn't know how to tell her.
Robert spends the day finding out what everyone in the office is scared of. He ends the night with a spooky story hitting each and every one of those fears.
Jim finds out Pam believes in ghosts and can't handle it. Dwight makes friends with Robert's son and they play computer games all day long.