7 Moments From The NCIS Christmas Episode S12 E10

McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father.

"House Rules" - NCIS S12 E10

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father, on NCIS, Tuesday, Dec. 16 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured left to right: Mark Harmon, Emily Wickersham and Michael Weatherly Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved

"House Rules" - NCIS S12 E10

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father, on NCIS, Tuesday, Dec. 16 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured left to right: Mark Harmon and Pauley Perrette Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved

"House Rules" - NCIS S12 E10

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father, on NCIS, Tuesday, Dec. 16 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured: Michael Weatherly Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved

"House Rules" - NCIS S12 E10

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father, on NCIS, Tuesday, Dec. 16 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured left to right: Vik Sahay, Erin Allin O'Reilly and Ethan Rains Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved

"House Rules" - NCIS S12 E10

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father, on NCIS, Tuesday, Dec. 16 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured left to right: Vik Sahay, Erin Allin O'Reilly, Ethan Rains, Mark Harmon and Sean Murray Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved

"House Rules" - NCIS S12 E10

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father, on NCIS, Tuesday, Dec. 16 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured left to right: Emily Wickersham and Vik Sahay Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved

"House Rules" - NCIS S12 E10

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas. Also, McGee reflects on the case and Gibbs' infamous rules as he pens a heartfelt letter to his father, on NCIS, Tuesday, Dec. 16 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured left to right: Ethan Rains and Michael Weatherly Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved