Community: Season 3, Episode 21

3 - 21:

With Chang in control of Greendale, the study group develops an elaborate plan to infiltrate the campus without being detected. While Chang becomes distracted planning a big birthday bash for himself, Jeff and the study group launch their sneak attack. Meanwhile, Troy enlists the help of the Air Conditioning Repair Annex to help with their break-in plan but knows he may be selling his soul to the devil.