Highlights from the Eleventh Episode of Season 11 of NCIS

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause.

NCIS Christmas Episode

NCIS Christmas Episode

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Meredith Eaton, Pauley Perrette, Mark Harmon and Brian Dietzen Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
NCIS Christmas Episode

NCIS Christmas Episode

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Pauley Perrette, Brian Dietzen and Michelle Pierce Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
NCIS Christmas Episode

NCIS Christmas Episode

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured left to right: Meredith Eaton, Brian Dietzen and Pauley Perrette Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
NCIS Christmas Episode

NCIS Christmas Episode

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Meredith Eaton Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
NCIS Christmas Episode

NCIS Christmas Episode

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Pauley Perrette Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
NCIS Christmas Episode

NCIS Christmas Episode

Director Vance (Rocky Carroll) struggles with forgiveness as his estranged father-in-law makes a surprise visit to his home, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved
NCIS Christmas Episode

NCIS Christmas Episode

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Sean Murray Photo: Richard Cartwright/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
NCIS Christmas Episode

NCIS Christmas Episode

Director Vance (Rocky Carroll, left) struggles with forgiveness as his estranged father-in-law (Ben Vereen, right) makes a surprise visit to his home, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Frame Grab/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
NCIS Christmas Episode

NCIS Christmas Episode

Director Vance (Rocky Carroll, right) struggles with forgiveness as his estranged father-in-law (Ben Vereen, left) makes a surprise visit to his home, on NCIS, Tuesday, Dec. 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Frame Grab/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.