Ken's testimony as an expert witness is successfully challenged by an aggressive prosecutor, which prompts Ken to do some studying in order to regain his confidence. Meanwhile, Alison helps Dave sew a dress for Molly.moreless
Ken wants to bond with Molly, so he takes her and her friends to a hot concert, but she doesn't want him to hang out with them. Meanwhile, Dave needs a tetanus shot after stepping on a rusty nail.moreless
Ken and Alison go to a wedding, and demand Molly stay home to babysit Dave, but she has other ideas.
Dave invites Emma to the Valentine's Day dance, not knowing that her father, a very successful malpractice lawyer, has a feud going with Ken. Meanwhile, Julie gets help from Damona and Clark, when her boyfriend neglects her.moreless
Ken's dad arrives for a surprise visit and immediately begins to tackle tasks around the house that Ken has been avoiding, including buying a new dishwasher, which Ken promptly breaks on purpose. Meanwhile, Damona and Pat have a drunken one-night stand that Pat follows with a shocking announcement the next day.moreless
Ken goes for his physical when Allison learns he hasn't had one in years, but his attempts to convince Julie to fake it fail when she insists that they play by the rules, and it's revealed that he leads a very stressful life. Meanwhile, Molly comes up with a way to make extra money for a ski trip.moreless
When their flight from Honolulu is delayed several hours, Ken has a disastrous encounter with Dr Oz. Meanwhile, at the clinic, it's Black Monday, and Julie is by default, the doctor in charge.moreless
Ken's love of basketball hasn't rubbed off on Dave, who would rather attend a city council meeting about California's drought than play in a game. Meanwhile, Allison is skeptical of letting Molly dress more provocatively; and Damona schemes to get more vacation days.moreless
Molly gets a Japanese tattoo, which sparks a culture clash between Allison and Ken over their Japanese and Korean heritages, respectively, and makes for a memorable Thanksgiving dinner experience, all of which is documented by Dave for a school project. Meanwhile, Julie invites the staff over to her place to avoid being alone, but Damona and Clark try to get out of it due to other plans.moreless
Ken's sister Wendi, (guest star Margaret Cho) comes to visit, and invites him to be a guest on her TV talk show. Ken, secretly jealous of her success as a doctor and television host, becomes petulant and causes a scene.moreless
Molly admits she drank beer at a party but swears she didn't like it, so Ken decides to make sure she doesn't change her mind by providing medical proof of what alcohol can do to the body—and he winds up getting drunk in the process. Meanwhile, Allison takes Dave on a road trip to see an obscure author with whom he's obsessed.moreless
Ken tries to make amends for botching his marriage proposal to Allison 20 years ago on Halloween. Meanwhile, Pat is accidentally drugged at the office by Damona and Julie, who decide to cash in on their boss's sudden generosity.moreless
Ken is asked to speak at a banquet honoring Dr. Kevin O'Connell, who just happens to be Allison's former boyfriend.
Pat wants everyone to work Saturdays, so Ken, representing the workers, goes to visit him at home. He finds that Pat and his wife are fighting, and Pat is living in his boat in the driveway.moreless
Ken is forced to take a sensitivity seminar after receiving a formal complaint from a patient, regarding Ken's bedside manner.
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
Britta throws a Sophie B. Hawkins dance in protest of the Dean's Sadie Hawkins dance. Meanwhile, Annie and Shirley's respective blind dates for Abed leads him to attempt the classic sitcom trope of two dates in one night.moreless
Greendale recruits a rich community college "whale," who has the potential to be enrolled and spending cash on campus for over a decade.
Greendale comes together to unlock the mystery of Chang's amnesia, which Abed films as a documentary.
Jeff finally reunites with his estranged father.
The study group plans an elaborate Oktoberfest celebration! But is it all just to trick the Germans?
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.