• ‘Grey’s Anatomy’ Season 13 episode 1 spoilers, airdate update: What’s next for Meredith and Nathan, Amelia and Owen and more

‘Grey’s Anatomy’ Season 13 episode 1 spoilers, airdate update: What’s next for Meredith and Nathan, Amelia and Owen and more (Photo : Grey's Anatomy/Facebook/ABC)

"Grey's Anatomy" Season 12 episode 20 shifts its focus a bit as Callie and Arizona take center stage. The upcoming segment is titled "Trigger Happy" and it will see Callie and Arizona at odds over an important decision regarding Sofia's life. Here are detailed spoilers for the next chapter of the ABC's medical drama. Read on to find out what happens next. Fans can also watch this episode online via live stream. Scroll down for the link.

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[Warning: This article contains spoilers for "Grey's Anatomy" Season 12 episode 20 "Trigger Happy." Do not read further if you don't wish to know more about it.]

Last week, fans were treated with two episodes back-to-back wherein Bailey is forced to make a difficult decision against her husband Ben, who violated hospital rules. Even though the committee decides Ben is innocent, Bailey wants him to be suspended for six months from the surgical resident program.

Meanwhile, April and Jackson come together for a surgery, when April feels her baby moving for the first time. Elsewhere, Arizona finds out about Callie's plan to move with Penny to New York and taking Sofia with her. In her defence, Arizona seeks legal help for filing for custody.

Moving on to the next episode. "Grey's Anatomy" Season 12 episode 20 will see Callie and Arizona's battle intensify. A promo video for "Trigger Happy" teases a tense conversation between the former couple. As Callie and Arizona sit down to discuss Callie's plans, it doesn't take too long for Arizona to reveal her true feelings. Callie's excitement about moving to New York, a new apartment and Sofia's new school infuriates Arizona, who immediately lashes out at Callie. Scroll down to watch the trailer.

According to the synopsis for "Grey's Anatomy" Season 12 episode 20 on ABC's official website, Arizona is angry because Callie did not consult her while deciding about Sofia's future. At the same time, doctors at the Grey Sloan Memorial hospital will come together to treat a young boy who was inadvertently shot.

Second promo video for episode 20 shows that the boy was shot by one of his friends while playing and his life is in danger. Watch the trailer below.

In additional news, new romances are coming to Grey Sloan Memorial hospital. In an interview with Entertainment Tonight, "Grey's Anatomy" stars Giacomo Gianniotti (Dr. Andrew De Luca) and Martin Henderson (Dr. Nathan Riggs) teased new romances for their characters on the show. It is said that the two character will be finding new love interests.

While Nathan will be seen locking lips with one of the ladies in the hospital, Andrew is also expected to move on from Maggie quickly.

"They're throwing me into different people's story lines now that DeLuca and [Dr.] Maggie Pierce (Kelly McCreary) have gone their separate ways," Gianniotti said.

"Grey's Anatomy" Season 12 episode 20 airs at 8:00 pm on April 21 on ABC. Fans can also watch "Trigger Happy" online via live stream on abc.go.com after the show's television broadcast. More spoilers and updates are expected soon.



Credit: YouTube.com/Grey's Anatomy - GreySloan