Private Practice, Grey's Anatomy

First, Grey's Anatomy did a musical episode. Now they're diving into alternate universes.

In an episode slated for February, Meredith (Ellen Pompeo) will get a chance to see what life would've been like if her late mother, renowned surgeon Ellis Grey (Kate Burton), never had Alzheimer's, TVLine.com reports.

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This alternate reality will not only feature a less dark and twisty Meredith, but also the return of several Grey's alums, namely Addison (Kate Walsh), who, in this reality, is still married to Derek (Patrick Dempsey).

While we'd love to see it happen, we won't be holding our breath for the return of George (T.R. Knight) or Izzie (Katherine Heigl). Who would you like to see return?