"Community" is a midseason start this year, which means its Halloween episode is landing on Valentine's Day. Which we find delightfully "Community"-esque."Paranormal Parentage"While on their way to Vicki's Halloween costume party, the study group makes a detour to Pierce's mansion when they learn he accidentally locked himself in his panic room. As Pierce languishes behind locked doors, the group searches the dark and eerie house for the book that holds the code to the door. Along the way they encounter a few of the house's secrets, airing Thursday, Feb. 14 at 8 p.m. ET/PT on NBC.