Season 3

Preview
S03E01
Biology 101
The Greendale study group reunites. Jeff butts heads with the new biology teacher and Dean Pelton finds a new nemesis in the dean of the Air Conditioning Repair Annex.
Air Date September 22, 2011
S03E02
Geography of Global Conflict
Chang gets used to his new job. Britta reacts to a friend being taken hostage in a foreign country. Annie asks the group to help bring down her new friend. Professor Cligoris struggles to behave appropriately.
Air Date September 29, 2011
S03E03
Competitive Ecology
When the gang accepts a new person into the group, they learn how delicate their friendships really are.
Air Date October 6, 2011
S03E04
Remedial Chaos Theory
New roommates Troy and Abed host an apartment-warming party that takes a strange turn.
Air Date October 13, 2011
S03E05
Horror Fiction in Seven Spooky Steps
The gang tells scary stories while Britta discovers that one of her pals might be a psychopathic maniac.
Air Date October 27, 2011
S03E06
Advanced Gay
Pierce is excited about a party he's throwing to celebrate his business success, but the affair becomes very different when his elderly father arrives.
Air Date November 3, 2011
S03E07
Studies in Modern Movement
The study group pitches in to help when Annie decides to move in with Troy and Abed, but the plan breaks down when she becomes frustrated by their fun-loving lifestyle. Elsewhere, Dean Pelton discovers Jeff at the mall and blackmails him into spending a lovely afternoon together.
Air Date November 10, 2011
S03E08
Documentary Filmmaking: Redux
When the school board asks Dean Pelton to make a new commercial for the school, he enlists the study group to star in his production. Meanwhile, Abed films all the activities for a documentary.
Air Date November 17, 2011
S03E09
Foosball and Nocturnal Vigilantism
Jeff and Shirley bond over foosball. After Annie breaks Abed's special edition DVD of "The Dark Knight", she covers it up by staging a robbery.
Air Date December 1, 2011
S03E10
Regional Holiday Music
When the Greendale Glee Club is unexpectedly sidelined, the school's effervescent choir director Cory Radison sets about recruiting the study group members to fill in. Skeptical at first, they eventually fall under his hypnotic spell, singing and dancing their way to the annual Christmas Pageant.
Air Date December 8, 2011
S03E11
Urban Matrimony and the Sandwich Arts
Andre proposes that he and Shirley remarry and a wedding date is set. Britta and Annie get busy planning the wedding and Jeff prepares to give a wedding speech, while Troy and Abed get ready to be "normal" for the occasion. Meanwhile, Pierce and Shirley pitch a sandwich shop idea to Dean Pelton for the Greendale cafeteria.
Air Date March 15, 2012
S03E12
Contemporary Impressionists
Jeff begins experiencing extreme narcissism. The group helps Abed get rid of debt by impersonating various celebrities at a Bar Mitzvah.
Air Date March 22, 2012
S03E13
Digital Exploration of Interior Design
As the new Greendale Subway shop opens in the cafeteria, Shirley, Pierce and Britta plot to bring about its early demise. Vice Dean Laybourne makes another attempt to get Troy to join the Air Conditioning Repair Annex, while Abed and Troy find themselves at odds over their competing pillow and blanket forts.
Air Date March 29, 2012
S03E14
Pillows and Blankets
The war between Abed and Troy intensifies, prompting Jeff to try to negotiate a truce between the former best friends while the rest of the group choose sides.
Air Date April 5, 2012
S03E15
Origins of Vampire Mythology
Annie, Troy and Abed try to help Britta avoid an old flame who has returned to town, while Jeff and Shirley set out to catch a glimpse of the mystery man. Elsewhere, Laybourne turns to Dean Pelton for help with his pursuit of Troy.
Air Date April 12, 2012
S03E16
Virtual Systems Analysis
When a final exam is postponed, Annie talks Abed into letting her spend some time in the dreamatorium, where an innocent simulation turns into an examination of the study group.
Air Date April 19, 2012
S03E17
Basic Lupine Urology
In a homage to Law & Order, the study group investigate a crime when someone sabotages their science experiment. When they discover the perp, Annie plans on prosecuting them to the fullest extent of Greendale's Code of Conduct.
Air Date April 26, 2012
S03E18
Course Listing Unavailable
When a beloved classmate dies unexpectedly, Britta uses skills from psychology class to counsel the study group. Chang tries to seize more control over campus security.
Air Date May 3, 2012
S03E19
Curriculum Unavailable
Abed becomes convinced that there is a conspiracy afoot and that Dean Pelton is an imposter. When Abed is apprehended sneaking around on campus, he is required to see a therapist, or risk being sent to jail.
Air Date May 10, 2012
S03E20
Digital Estate Planning
Pierce is summoned to Hawthorne Enterprises to discuss his inheritance with his deceased father's former right-hand man, Gilbert Lawson. The study group goes with him for moral support and must all pitch in to play the video game of their life on Pierce's behalf for the sake of his inheritance.
Air Date May 17, 2012
S03E21
The First Chang Dynasty
When Chang gains control of Greendale's campus, the study group forms a plot to take back the school. Troy seeks help at the Air Conditioning Repair Annex.
Air Date May 17, 2012
S03E22
Introduction to Finality
Jeff and and his former colleague Alan battle in court as opposing counsel in Pierce and Shirley's sandwich shop case. Meanwhile, Vice Dean Laybourne makes one last ditch effort to win Troy over to his Air Conditioning Repair Annex.
Air Date May 17, 2012