It's Troy's 21st birthday, and the study group hits a local bar to celebrate. Jeff and Britta proceed to get wasted and begin airing dirty laundry, while Shirley attempts to cover up an unsavory aspect of her past. Annie uses the identity on her fake ID as an opportunity to reinvent herself. Abed strikes up a discussion with a fellow sci-fi geek.
Episode number: 2x10 Production Number: 209 Airdate: Thursday December 02nd, 2010