Ellen Pompeo will make her directorial debut during what might be the most emotional hour ofGreys Anatomythis season.
Shes dealing with mountains of emotion, McCreary tells EW.
Its even more complicated than the already really frightening diagnoses of IBC.

Credit: ABC/Richard Cartwright)
Maggie is such an optimist, and shes such a hard worker, McCreary notes.
Shes determined to be solution-oriented, and find a way to make her mother well no matter what.
The episode proved to be pretty intense material for Pompeos first time directing.
The [potential] death of a mother is so quintessentiallyGreys Anatomy, Pompeo says.
I was really excited to get that episode.
Its a beautiful episode, wonderfully acted by Kelly McCreary and LaTanya Richardson Jackson.
Were just dealing with this one story, but I think its beautiful.
Pompeo and McCreary sought to make Maggies experience as relatable as possible.
Greys Anatomyairs Thursdays at 8 p.m.