“Shell Shock – Part I” – When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott. Gibbs (Mark Harmon, right) realizes the Captain is suffering from post-traumatic stress disorder, but knows his experience overseas may also provide a key link to the crime, in part one of a two-part episode, on NCIS, Tuesday, Nov. 13 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: David McCallum, Brian Dietzen, Cote de Pablo and Mark Harmon Photo: Richard Foreman/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

“Shell Shock – Part I” – When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott. Gibbs (Mark Harmon, right) realizes the Captain is suffering from post-traumatic stress disorder, but knows his experience overseas may also provide a key link to the crime, in part one of a two-part episode, on NCIS, Tuesday, Nov. 13 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Brian Dietzen and Mark Harmon Photo: Richard Foreman/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

“Shell Shock – Part I” – When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott (Brad Beyer, right). Gibbs (Mark Harmon, center) realizes the Captain is suffering from post-traumatic stress disorder, but knows his experience overseas may also provide a key link to the crime, in part one of a two-part episode, on NCIS, Tuesday, Nov. 13 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Michael Weatherly, Mark Harmon and Brad Beyer Photo: Richard Foreman/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

“Shell Shock – Part I” – When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott (Brad Beyer, right). Gibbs (Mark Harmon, left) realizes the Captain is suffering from post-traumatic stress disorder, but knows his experience overseas may also provide a key link to the crime, in part one of a two-part episode, on NCIS, Tuesday, Nov. 13 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Richard Foreman/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

“Shell Shock – Part I” – When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott. Gibbs (Mark Harmon, right) realizes the Captain is suffering from post-traumatic stress disorder, but knows his experience overseas may also provide a key link to the crime, in part one of a two-part episode, on NCIS, Tuesday, Nov. 13 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Michael Weatherly and Mark Harmon Photo: Richard Foreman/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.