NCIS: Season 12 Episode 10: House Rules
Starring: Mark Harmon, Michael Weatherly, Pauley Perrette, Sean Murray, Brian Dietzen, David McCallum, Brian Dietzen, Lev Gorn
Length: 44 minutes
NCIS: S12E10 Description: Tis the season to be hacking. In a Christmas letter to his father, McGee describes in detail a case in which he, Gibbs and the rest of the NCIS team investigate the hackers who are responsible for the Internet going down in the D.C. area.