John Ducey and Kate Walsh John Ducey and Kate Walsh

Kate Walsh's former TV alter-ego Addison Montgomery enjoyed her fair share of conquests on Grey's Anatomy and Private Practice. But Walsh's newest role on NBC's Bad Judge may give Addison a run for her money.

In the comedy, which premieres Thursday, Oct. 2 at 9/8c on NBC, Walsh plays Rebecca Wright, a tough-as-nails judge with a major wild streak. In this exclusive sneak peek, Rebecca invites witness Dr. Gary Boyd (Veronica Mars' Ryan Hansen) into her chambers for a steamy quickie.

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However, before skyrockets can take flight, the mood dampens when Gary glimpses a pregnancy test in Rebecca's purse. How does he react? Is the test positive or negative? And most importantly, if it is positive, is it his? Get all the answers in the video below:

Bad Judge premieres Thursday, Oct. 2 at 9/8c on NBC.