The Best Episodes Written By Bryan Oh

It's Thanksgiving time in ‘the O.C.' It's time for family reunions, and Ryan gets called home by his family. Is it because of the holiday, or is it for a favor? Marissa decides to go along for the ride, but ends up going down Ryan's bad-memory lane instead. Seth plays the player role, but not very well.

Hal stumbles across bodies of de-harnessed kids and finds someone from his past. Tom and Anne grow closer. And Weaver’s health deteriorates just as Tom discovers he may have been keeping important matters from the group in order to protect them.

After Peter rescues a woman from a house fire, Megan discovers another person in the house who died. Peter takes the discovery personally since he had no idea anyone else was in the house. A veteran arson investigator challenges Megan at each step in her investigation. When Megan complains to Kate the response she gets only intensifies the tension between the two women.

The 2nd Mass moves into an airport hanger. The Berserkers plan to get rid of Tom. While dealing with a loss of one of its own, the 2nd Mass receives a promise of hope from a mysterious visitor.

At the site of a train accident, Peter Mills becomes deeply upset when he observes the dead body of a young victim. Unable to shake his emotional distress about the event, he questions his future as a firefighter. Dawson and Shay save a 6-year-old girl whose mother is abusing her – but their confrontation leads the woman to resort to dire actions. Meanwhile, Severide aggravates his injury while rescuing a heart attack victim and Shay sends Clarice, her married, pregnant ex-girlfriend, back home to her husband.

Owen becomes a human target while digging deeper into the graymail case. Nichka has major intel on a kidnapping — but it won't come for free.

Mitch and Jamie hatch a daring plan to undermine the Noah Objective once and for all, and the team reunites on the Island of Pangaea where the final pieces of the cure are put in place.

Mitch and Jamie hatch a daring plan to undermine the Noah Objective once and for all, and the team reunites on the Island of Pangaea where the final pieces of the cure are put in place.

The discovery of a shocking mutation comes with potentially dire consequences for a member of the team.

The team races to stop the hybrids from breaching the barrier wall by shutting down the last beacon that draws them in.

Jaime and Logan arrive at Caraquet, but things are not what they seem. The group tries to save Chloe.

Jackson learns his mother is missing in Africa, but before he can look for her, he and the team must contend with a hostile force that has overtaken their plane. Also, Jamie learns a shocking secret about Abraham.

Jackson and Logan discover a link between the hybrid attacks that occur in Portland and New York; Mitch is interrogated by a woman claiming to be his daughter, Clementine; and a new development in Abraham’s research into the sterility crisis endangers his family.

Mason Kane and Nadia Sinh – top agents of the independent spy organization Citadel – collide with a nefarious, new syndicate – Manticore – leading to catastrophe. Eight years later, Mason Kane is living a quiet life as "Kyle Conroy," with no memory of his past. Until one day an old colleague enlists his help to stop a now powerful Manticore from creating a new world order.

Jamie contacts a fellow journalist in an attempt to expose the truth about Reiden’s involvement in the global animal problem. After realizing Delavenne works for Reiden, Mitch escapes with both the Mother Cell and his daughter’s medication. However, on their way to deliver the medication, Mitch and Abraham come face-to-face with a terrifying army of birds.

After Mitch’s alter ego, Mr. Duncan, attacks the team’s plane then flees, Jamie, Abe and Max set out to find him and help.

Jackson, Jamie, and Chloe travel to Mississippi to investigate the prison fire, while Abraham and Mitch go north to trap and study wolves.

Kyle and Bernard journey to New York City to steal the Citadel X Case from Manticore Headquarters before it’s too late. Later, Kyle learns that a figure from his past is still alive and he risks everything to find them.

After the shocking revelation of Abby’s former identity, we learn of the past entanglements between Mason, Nadia and Celeste, and a horrific decision that reverberates still today. Meanwhile, Nadia and Kyle land at the Manticore compound in Morocco and risk their lives to free their fellow spy. But their hero’s welcome is short-lived as they are forced to grapple with a dangerous accusation.

With one of their own being held hostage by Manticore, Kyle, Nadia and Carter risk everything to save them and thwart Manticore’s plans to acquire nuclear weapons. As our heroes grapple with the nuclear threat, the identity of the mole within Citadel will be revealed, as will the awful truth that everything they know is a lie.

Nadia, Kyle and Carter are forced to work together to escape from Manticore and protect the X Case, but suspicion of one of our heroes reaches a boiling point, leading to an explosive reckoning.