1. Owen Hunt was introduced in Season 5 as a US Army trauma surgeon who served in war-torn Iraq, and subsequently joins the fictional Seattle Grace Hospital to teach medicine as a surgical attending, head of trauma surgery, and eventual chief of surgery, sometimes utilizing unconventional methods.
Owen Hunt eventually embarks on a relationship with Yang, but it comes to a sudden close when his PTSD gets the best of him, and he unconsciously strangles her.
Some time later, a soldier visits the hospital for treatment, and his presence influences Owen Hunt to contemplate returning to the US Army.
Owen Hunt brings in Teddy Altman, his best friend and colleague from when he was in the army, as the new head of cardiothoracic surgery.
When Cristina discovers she is pregnant, Owen Hunt is displeased with her desire to abort the baby, and the two separate from each other.
Owen Hunt had been offered a position at the United States Army Medical Command but chose to stay at Seattle Grace Mercy West out of loyalty.
In Season 9, Cristina and Owen Hunt's marriage is again very strained.
Cristina and Owen Hunt reconcile in episode 9 before Miranda Bailey's wedding.
Owen Hunt is busy saving a patient in the operating room so they share a silent goodbye through the gallery's glass.
In Season 11, Owen Hunt develops a relationship with Amelia Shepherd.
Owen Hunt is attracted to Amelia's desire for a "real family" and children.
In Season 14, after going through a series of marital issues, Owen Hunt decides to pursue a divorce from Amelia, citing Amelia's reversal on wanting to have children and her increasingly erratic behavior.
Owen Hunt listens to Amelia when she, in a fit of pique, tells him to go be with Teddy.
Owen Hunt decides to pursue his lifelong dream of fatherhood alone and begins fostering Leo, a baby who was given up by his teenage mother.
Owen Hunt is upset because he would not have reconciled with Amelia or fostered Leo if Teddy had told him earlier that he was expecting a biological child.
In light of Teddy's disinterest, Owen Hunt tells Amelia he chooses her.
However, Owen Hunt continues to exhibit possessive and obsessive behavior over Teddy and her pregnancy, causing Amelia to permanently split from their relationship.
Owen Hunt then adopts Leo as his son and welcomes his newborn daughter, Allison, with Teddy, whom they named after Teddy's best friend Allison Brown, who died during the collapse of the second tower on September 11,2001.
In Season 16, Owen Hunt is in a relationship with Teddy, whom he had previously given his position as Grey-Sloan's Head of Trauma to keep her in the country.
Owen Hunt has a contentious relationship with the new Chief of Surgery, Koracick, whom Teddy had dated during her pregnancy.
Teddy has been finding motherhood overwhelming and hating her maternity leave, so Owen Hunt decides to take paternity leave to allow her to return to work.
Owen Hunt eventually accepts an offer from Karev to become Chief of Trauma at Pac-North after he finds stay-at-home parenting overwhelming and boring, though when Pac-North merges with Grey Sloan, Owen Hunt returns to Grey Sloan.
In Season 17, Owen Hunt confronts Teddy about her affair and ends their engagement.
Owen Hunt wants to make himself better, to improve as a person.
Owen Hunt just looks at each scenario and each case and each patient and knows what is needed and when to cut to the chase, and doesn't want to mess about with the periphery of it.
The look of Owen Hunt has been described as hardcore and the antithesis of the other male characters on the show.
There's a great debate there for what the dynamic is, with what Cristina has done to this marriage and her choice and what Owen Hunt's choice is and his behavior.
Certainly if you're married, the notion of the next step would be to have children and if that's been taken away, I would find it very hard for Owen Hunt to stay in that relationship.
The character of Owen Hunt had an almost instant attraction to Cristina Yang from his first appearance at Seattle Grace, illustrated by the passionate kiss they share soon after meeting.
Owen Hunt referred to McKidd as "Season 5's best, most effective addition", adding:.