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.
Hank and Divya tend to the owner of a doggy day care while Jeremiah handles a local shock-jock. Paige goes after a potential career prospect.
Hot in Cleveland has its first live episode.
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
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
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.
When the group's science project is destroyed, they decide to hold a trial to find the criminal, which a reluctant Professor Kane (Michael K. Williams) presides. While Troy and Abed believe they have discovers the perpetrator, Jeff soon realizes there's much more to the story than is believed.moreless
Annie and Abed spend some quality time together in the Dreamatorium for a simulation of "Inspector Spacetime". The game soon transforms into an examination of not only the study group, but also a deeper look into Abed's mind and personality.moreless
While Annie, Troy and Abed try to help Britta stay away from an old ex, Jeff and Shirley attempt to find out who he is. Elsewhere, Vice Dean Laybourne turns to Dean Pelton for help with his campaign to get Troy to join the Air Conditioning Repair School.moreless
The epic battle of Pillowtown vs. Blanketsburg continues at Greendale. The group is forced to take sides, while Jeff tries to form a compromise between Troy and Abed.
When a Subway opens in Greendale's cafeteria, Pierce and Shirley plot to shut it down. Meanwhile, Vice Principle Laybourne starts to turn Abed and Troy against each other while in the midst of another school-wise blanket fort.moreless
Jeff becomes even more narcissistic than usual while Abed develops an obsession for celebrity impersonators.
Andre asks Shirley to remarry him and they set a date. Annie and Britta prep for the wedding while Jeff prepares the wedding speech. Shirley and Pierce present the idea of a sandwich shop to be added to the Greendale cafeteria to Dean Pelton.moreless
Chuck turns to Verbanski for help tracking a computer virus; while Lester and Jeff's relationship is complicated by a new Buy More employee.
When the Glee club goes missing, the study group is asked to fill in their positions to save the annual Holiday Pageant
Joel recaps the pop culture moments of the week.
Jeff and Shirley bond over foosball; after breaking Abed's limited edition Dark Knight DVD, Annie claims that someone broke into the apartment and stole it.