Na Ki'i (Dolls)
Hawaii Five-O Season 3 Episode 18 (03/18/13)
-A young woman falls to her death from a balcony, onto Dog the Bounty Hunter's car.
-Tests reveal that the woman was drugged before she fell. Clues lead the gang to discover that she was secretly a member of a local roller derby team.
-Catherine goes undercover on the team to catch a killer, who is revealed to be the coach--actually an ex-con who was drugging members of the team and taking pornographic photos of them without their knowledge.
-During a big game, the coach tries to assault team member Crimson Bride, and Catherine kills him.
-Doris is robbed of her CIA files, by someone who knows about her past.