Sandra Oh announced her decision to leave Grey's Anatomy back in August. The 42-year-old actress, who appeared as Dr. Cristina Yang on the ABC show since season 1 premiered in 2005, explained that she wants to start a new chapter in her life.

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But, before she does that, fans will get to see her go down memory lane with two ex-boyfriends before she departs at the end of season 10.

A return from Dr. Owen Hunt

Kevin McKidd, who plays Dr. Owen Hunt, revealed that Oh's character, Cristina Yang, will envision what could happen in the former couple's future. The ex-lovers are currently broken up because of their different views on having a family.

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"A patient makes Cristina's character [think about] possible scenarios of where they're going to end up because they keep coming back to each other," the actor told TVGuide.

However, it's unclear whether or not Cristina will want to pursue a relationship with Owen again.

A return from Dr. Preston Burke

Isaiah Washington is set to reprise his role as Dr. Preston Burke for one episode in May.

"It's important to me that Cristina's journey unfolds exactly as it should," said show creator Shonda Rhimes in a statement. "Burke is vital to that journey - he gives her story that full-circle moment we need to properly say goodbye to our beloved Cristina Yang."

Washington also promised fans that his return will be epic telling Access Hollywood Live, "The script is so amazing... it will blow you away... I was not expecting this."

-- The Grey's Anatomy season 10 finale will air on Thursday, May 15.