Catherine goes undercover at the local roller derby to catch a killer on Hawaii Five-O. "Na Ki'i (Dolls)" is the 18th episode of the show's third season.
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Hawaii Five-0 Season 3 Episode 18 Quotes

Hey, Max, why are you turning our victim into a member of the Blue Man Group?

Danny Williams

Okay, let's be honest. We're not exactly the Waltons. You're a former spy who faked her own death twenty years ago...I got issues, Mom! I got trust issues!

Steve McGarrett