“Herstory of Dance” is the eighth episode of the fourth season of the NBC sitcom Community, which originally aired on April 4, 2013.

When Dean Pelton plans a Sadie Hawkins dance, Britta throws a Sophie B. Hawkins dance in protest. At the dance Abed goes on two dates, each set up by Annie and Shirley.

“Economics of Marine Biology” is the seventh episode of the fourth season of the NBC sitcom Community, which originally aired on March 21, 2013.

Dean Pelton enlists the help of the study group in order to enrol a wealthy new student whose laziness is expected to bring much needed funds to Greendale.

“Advanced Documentary Filmmaking” is the sixth episode of the fourth season of the NBC sitcom Community, which originally aired on March 14, 2013. The episode was written by Hunter Covington, and directed by Jay Chandrasekhar. In this episode, Abed makes a documentary about Changnesia in order to receive a grant, with Jeff attempting to prove Chang is faking his disease.

The study group goes to Shirley’s house for Thanksgiving dinner; Jeff reunites with his father, who he hasn’t seen since he was young.

The study group starts its European history class with professor Noel Cornwallis (Malcolm McDowell); Dean Pelton is upset when Chang returns to campus.

The study group goes to the annual Inspector Spacetime Convention; Annie enjoys the luxuries of the hotel; Jeff spends time with an Inspector Spacetime fan (Tricia Helfer) in the bar.

On Halloween, Pierce accidentally locks himself in his panic room, forcing the gang to search through his house to find the code that unlocks the door.

The Study Group returns from summer break ready to tackle their fourth year of Community College. Jeff is particularly focused on graduating and is just a few credits away. When there is a mix-up with a history class registration, Dean Pelton institutes an elaborate physical competition for class space. Meanwhile, Britta helps Abed deal with the anxiety he is experiencing over the thought of the study group graduating and breaking up.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Jeff begins experiencing extreme narcissism. The group helps Abed get rid of debt by impersonating various celebrities at a Bar Mitzvah.

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.

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.

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.

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.

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.

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.

The gang tells scary stories while Britta discovers that one of her pals might be a psychopathic maniac.

New roommates Troy and Abed host an apartment-warming party that takes a strange turn.

When the gang accepts a new person into the group, they learn how delicate their friendships really are.

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.

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.

As the Greendale year-end paintball extravaganza continues, the game takes a dramatic turn with new intruders arriving on the scene. The study group realizes they must unite to defeat the enemy despite disagreements about strategy.

As the Greendale student body enjoys their year-end picnic, Dean Pelton announces plans for a small, quick, safe game of paintball. As the game heats up, alliances are formed – and broken – and friendships are put to the test. When a mysterious and threatening figure emerges on the Greendale campus, it becomes apparent that this is no ordinary game of paintball.

Just as the study group are getting ready for their final Anthropology exam, Shirley goes into labor leaving the group to figure out the best way to help. Meanwhile, a riot in the parking lot starts during the World Food Festival.

As the study group assemble their 20th and final diorama for their anthropology class, they reminisce about their favorite moments over the past year. Meanwhile, Troy’s monkey reappears but disappears back into the ventilation system, leading Señor Chang to try to get the monkey and retrieve all their stolen loot.

“Competitive Wine Tasting” is the 20th episode of the second season of the American comedy television series Community. It aired in the United States on NBC on April 14, 2011.

Jeff incorporates Abed’s love of cinema and pop culture, into a specially themed “Pulp Fiction” surprise birthday for him. But the tables are turned as Abed arranges another dinner with an unsuspecting Jeff at another eating establishment.

Annie organizes a baby shower for Shirley, while Shirley plots to keep Señor Chang out of her life. Meanwhile, Britta is interested in Abed and Troy’s new friend, Lukka, who has a dark past.

Greendale prepares for the Vice President’s visit. Dean Pelton organizes the first student elections, putting Annie against Jeff, Pierce, Leonard, and Star-Burns, among others. Meanwhile, Abed develops a friendship with special agent Robin Vohlers.

When Pierce lands in the hospital, he believes he’s dying and gives the study group specific gifts that are actually meant to torment them. Britta wonders what to do with a blank check for “charity,” Jeff ponders the idea of meeting his father, and Troy gets to meet LeVar Burton, while Abed films the whole thing for a documentary.

Troy and Abed compete for the attentions of the college librarian, while Britta strives to be progressive and befriends a fellow female student whom she believes is gay. Meanwhile, Jeff finds himself reluctantly hosting an impromptu party at his apartment when Professor Duncan invites himself over to watch a soccer match.