Dr. Ken

A job opens up at Welltopia, and Pat thinks Allison would be the perfect candidate; Dave tries to help Molly hide her low SAT scores from their parents; Clark looks to Damona to help find out what Connor does for a living.

On Allison's first day at Welltopia, she and Ken try to prove each other wrong in regard to a patient's diagnosis; Pat announces that he's dating someone; on his first day of middle school, Dave is worried he won't make friends.

When Molly and D.K. catch a neighbor girl staring at Dave through the kitchen window, they try to scare her off; Ken learns that Pat, instead of him, is asked to emcee the annual Welltopia banquet.

When Ken learns D.K. got divorced, it forces him to think about the view of divorce in Korean culture and to take a look at his own marriage; Dave considers his relationship with Emily.

Allison is disappointed that Dave is outgrowing getting scared on Halloween; the Park family and the Welltopia gang bring a scary Korean story to life.

After Ken is mocked for not being able to speak Korean, Dave encourages him to take Korean language lessons; Molly and Allison have a vocabulary battle; Clark leads the nurses in contract negotiations.

Dave announces he's going to pitch his Hot Legs Duvet invention on "Shark Tank"; Pat is impressed with Molly when she interns at Welltopia.

Allison loses her cool on a road trip to her parents' house for Thanksgiving; Clark volunteers at the homeless shelter, but his bossiness creates tension.

D.K. decides to move in with his new girlfriend; Pat asks Dave to pretend to be his adopted son; Allison assumes Molly wants to talk about something when she suggests they go to a day spa together.

Pat advises against Ken apologizing to a patient after missing a vital medical detail; D.K. stirs things up at Dave's parent-teacher conference.

Allison throws an office Christmas party, hoping to show off her fun side; Clark wants to give his boyfriend the perfect present; D.K. dresses up as Santa Claus for the library's annual celebration.

Allison starts feeling insecure when Ken's attractive new intern begins flirting with him; Damona's boyfriend, Eric, learns she had a musical past; after their first date, Molly wonders if Jae really likes her.

Ken is out of control when he discovers Molly's new boyfriend, Jae, is leaving pre-med to become an artist; Pat asks Clark to keep watch over his weight-loss program; Damona finds out she's not required to wear scrubs.

Allison thinks a love poem Dave penned for his girlfriend is for her; Molly and Jae think Valentine's Day was invented by corporations; Damona and Eric eat at a place she and Pat used to go to.

Pat refuses to believe that relationship stress is causing his rash; Dave considers the least hurtful way to break up with Emily; Clark asks Allison to a new meditation studio.

Dr. Ken and the HMO gang offer Allison support while she waits to hear back about a lump in her breast; Dave has questions about how he will portray a character in the school play; Pat and Damona share a moment.

Ken's old professor makes an appointment and torments Ken during his visit; Damona decides to end things with Eric; Allison's new assistant is chatty.

Pat eyes a promotion and asks Ken to put a good word in for him with the CEO of Welltopia; Clark suspects Damona and Pat are dating again; D.K. tells Molly about a Korean superstition that could make her lose her boyfriend, Jae.

When Ken finds out about Clark and Connor's surprise wedding, he is tasked with figuring out how to get everyone to attend.

Ken's lifelong dream comes true when he's cast in a new comedy series that takes place at a community college; Pat's ex-wife visits just as he's ready to declare his love for Damona; Allison is not prepared for Molly to leave for Stanford.

A documentary about his life as a doctor causes Ken (Ken Jeong) to reconsider his career choice.

Ken's routine exam of the high school basketball team's star player reveals a shocking diagnosis.