Peggy determinedly collects research for a pitch. Pete is invited to join an exclusive club. Joan looks forward to spending time with her friend.
Dean Pelton lets two designers test their new social networking application at Greendale, leading to a war among the students; Professor Hickey decides to go underground until the battle ends.
Jeff helps Duncan pursue Britta.
Annie and Professor Hickey work the Greendale bureaucracy to get a bulletin board back on the wall. Jeff, Chang, Shirley and Professor Duncan discover the challenges of planning a school dance.
Abed sets up a game of "Hot Lava" at the college as a going away present for Troy.
After Pierce Hawthorne's funeral, the gang retires to the study room. They are surprised with a communal polygraph test by Pierce's attorney to prove themselves innocent of his murder. They are individually quizzed in an effort to prove their involvement of the potential crime.moreless
Annie gets Jeff to help her in the hunt for the "Asscrack bandit". One student returns from the dead, while Shirley comes with news of another persons death.
Jeff starts his position as a teacher. Abed gets the rest of the group to take a class about Nicolas Cage.
Jeff returns to Greendale a year after graduation on a mission. He meets the rest of the group and finds out what has happened to them since graduation.
With his personal and professional life crumbling around him, Don positions himself for a change of scenery. Meanwhile, Pete's life is falling apart as well, thanks to the meddling of Bob Benson.
The client list at SCDP changes, causing some big ramifications for the staff, both personally and in business.
Peggy plans for the future. Roger courts a potential client.
The Drapers get quite an offer, SCDP initiate Project K and Harry and Joan have a showdown.
The gang celbrates Christmas together for the first time. As they gather at Jeff's place, Annie decides to invite Prof Cornwallis to dinner in an effort to boost their grades on their last test.moreless
Don clashes with a client. Pete entertains a guest. Peggy struggles to motivate the staff.
In support of Troy and Abed, the study group heads to InspectiCon - the annual Inspector Spacetime Convention.
Community celebrates Valentine's Day with a Halloween (Valoween) episode filled with costumes, a haunted mansion and plenty ofhumour.
As the gang returns to Greendale for senior year, they are forced to fight to the not-so-death to find a spot in History 101
Sam tries to stop a "Riddle Terrorist" from wreaking havoc.
Opportunity is in the air for everyone and Pete meets a stranger on the train.
While Don and the team prepare their pitch for the agency-defining Jaguar account, Joan receives a lucrative offer. Plus, Peggy makes a big decision.
The study group plans to rescue Dean Pelton with an elaborate heist during Chang's birthday party.
Shirley and Pierce's sandwich shop is chosen to replace the campus Subway, but a conflict ensues between the partners and Jeff has to argue on Shirley's behalf in Dean Pelton's version of court. Meanwhile, Troy is recruited by the Air Conditioning Repair Annex.moreless
The gang has to help Pierce win a videogame so that he can claim his father's inheritance.
When Abed becomes convinced that there's a conspiracy and Dean Pelton is an imposter, he is required to see a therapist or risk being sent to jail.
While the study group deals with the death of a beloved classmate, Chang finds an opportunity to take control over campus security when the memorial service transforms into a riot.