Jessica Capshaw Opens Up About Torrid Grey's Anatomy Twist and Finale's 'Raw' Repercussions

Greys Anatomy Season 9 Finale PreviewBaby did a bad, bad thing — but does that make Grey‘s Anatomy doc Arizona Robbins a bad person?

Visiting TVLine’s Times Square offices, Jessica Capshaw spoke candidly about Arizona’s on-call room romp with perky, pretty Lauren (played by Hilarie Burton) and the fallout scenes to come in tonight’s superstorm-tossed Season 9 finale (ABC, 9/8c).

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Describing the storyline as “incredibly risky and edgy,” Capshaw admits, “It totally upset the apple cart for me,” and yet it creates “fertile ground for what we want from our TV sets” — that is, juicy drama.

Recovering from the previous season finale’s plane crash and adjusting to the loss of a leg “took a lot of ‘holding on'” by Arizona, she says. So the ardent overtures by Lauren served as a “trigger” that made Callie’s wife decide, “‘I’m gonna lose control.'”

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Also in this video Q&A: Capshaw previews the awkward aftermath for Arizona and Lauren, asserts how “brave” it is to tell this story, teases the “devastating” and “raw” scenes ahead for “Calzona” and reflects on the finale moment that, to this moment, still gives her goosebumps.