'Grey's Anatomy': Kate Walsh, Kate Burton Returning for February Episode

Titled "If/Then," the hour will be set in an alternate reality in which Derek and Addison never broke up.
Kate Burton and Kate Walsh  Getty Images

Grey's Anatomywill welcome a few familiar faces for a special February sweep episode in which Derek (Patrick Dempsey) and Addison (Kate Walsh) never broke up.

Titled "If/Then," Walsh broke the news via Twitter that she'd be returning for the special alternate reality-themed episode that will also feature the return of Meredith's (Ellen Pompeo) mother, Ellis Grey, The Hollywood Reporter has confirmed.

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As first reported by EW, Burton will appear in the episode and explore how Meredith's life would be different if her mother, who died during Season 3, were still alive -- as well as what that would mean for Ellis' affair with Chief Weber (James Pickens Jr.).

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Meanwhile, Grey's insiders say there will be additional guest stars for the February episode, which also will include a victim from the hospital shooting in the Season 6 finale. Who do you think will return?

Burton, meanwhile, will next be seen in a multiepisode arc on Grey's creator Shonda Rhimes' upcoming ABC political fixer drama Scandal, as the vice president.

Grey's and Walsh-starrer Private Practice return in January.

Email: Lesley.Goldberg@thr.com; Twitter: @Snoodit

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