Grey's Anatomy Episode Stills: "Holidaze"

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This Thursday's episode of Grey's Anatomy, "Holidaze," combines Thanksgiving, Christmas and New Year's - and notably features the arrival of Mark Sloan's long-lost ... daughter.

Yes, a hot, blonde, McSteamy spawn. We'll pause for a moment to let that sink in.

Aside from guest star Leven Rambin (who plays the character from Mark's past, whomever she is), Thatcher Grey and Miranda's as-yet-unseen father also appear in the episode.

Click to enlarge some photos from "Holidaze" below and see what you think ...

Mark Love Child?
Doctor Sloan Pic
Mr. Grey
Younger Grey
Mark's Women
Richard and Mer Picture
Sloan Pic
Owenstina and Teddy
Mark is a Dad?
Shep
Oh, Der
Off the Wagon
Owen, Teddy, and Richard
Mer Grey Photo
The Eldest Grey
AZ and Der
Holiday Party

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.

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Grey's Anatomy Quotes

Maggie: Honesty and privacy are not mutually exclusive. 
Amelia: Ohh, I like that!

Maggie: He just walked out of the fog with a new girlfriend, like I never existed. I think I might actually hate him.
Zola: My teacher said hating someone is like drinking poison and expecting the other person to die. 
Maggie: Go get ready for school.