Highlights from the Eighteenth Episode of Season 3 of Hawaii Five-0

When a murder victim falls onto 'Dog' the Bounty Hunter's SUV, Five-0 sends Catherine in undercover at the local roller derby to find the culprit.

"Na Ki'i" Episode 18 of Season 3

In order to solve a murder, Five-0 sends Catherine (Michelle Borth) in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0 Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Danny in

Danny in "Na Ki'i" Episode 18 of Season 3

Danny (Scott Caan) investigates a murder that sends Catherine in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Hot Pursuit in

Hot Pursuit in "Na Ki'i" Episode 18 of Season 3

Danny (Scott Caan, running left) and McGarrett (Alex O’Loughlin, mid-air, right) investigate a murder that sends Catherine in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
On the Rail in

On the Rail in "Na Ki'i" Episode 18 of Season 3

Danny (Scott Caan, right) and McGarrett (Alex O’Loughlin, left) investigate a murder that sends Catherine in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
On the Run in

On the Run in "Na Ki'i" Episode 18 of Season 3

Danny (Scott Caan, running, right) and McGarrett (Alex O’Loughlin, running, left) investigates a murder that sends Catherine in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Roll On in

Roll On in "Na Ki'i" Episode 18 of Season 3

In order to solve a murder, Five-0 sends Catherine (Michelle Borth, center) in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Derby Salute in

Derby Salute in "Na Ki'i" Episode 18 of Season 3

In order to solve a murder, Five-0 sends Catherine (Michelle Borth, center) in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Derby Ready in

Derby Ready in "Na Ki'i" Episode 18 of Season 3

In order to solve a murder, Five-0 sends Catherine (Michelle Borth) in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0 Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Sight for Sore Eyes in

Sight for Sore Eyes in "Na Ki'i" Episode 18 of Season 3

Danny (Scott Caan, right) and McGarrett (Alex O’Loughlin, left) investigates a murder that sends Catherine in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, MondayMonday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
McGarrett in

McGarrett in "Na Ki'i" Episode 18 of Season 3

McGarrett (Alex O’Loughlin) investigates a murder that sends Catherine in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0 Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Roller Arrival in

Roller Arrival in "Na Ki'i" Episode 18 of Season 3

Danny (Scott Caan, right) and McGarrett (Alex O’Loughlin, left) investigates a murder that sends Catherine in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Michelle Borth Returns in

Michelle Borth Returns in "Na Ki'i" Episode 18 of Season 3

In order to solve a murder, Five-0 sends Catherine (Michelle Borth) in undercover at the local roller derby to find the culprit, on HAWAII FIVE-0, Monday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Norman Shapiro/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.