Highlights from the Sixth Episode of Season 5 of NCIS: LA

Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions.

The Boss in

1. The Boss in "Big Brother" Season 5 Episode 6

Pictured: Linda Hunt (Henrietta "Hetty" Lange). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

2. "Big Brother" Season 5 Episode 6

Pictured: Eric Christian Olsen (LAPD Liaison Marty Deeks). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Gotcha! in

3. Gotcha! in "Big Brother" Season 5 Episode 6

Pictured: Daniela Ruah (Special Agent Kensi Blye), LL COOL J (Special Agent Sam Hanna), Eric Christian Olsen (LAPD Liaison Marty Deeks) and Chris O'Donnell (Special Agent G. Callen). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.
Teamwork in

4. Teamwork in "Big Brother" Season 5 Episode 6

Pictured: LL COOL J (Special Agent Sam Hanna) and Chris O'Donnell (Special Agent G. Callen). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Robert Voets/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

5. "Big Brother" Season 5 Episode 6

Pictured: Eric Christian Olsen (LAPD Liaison Marty Deeks), LL COOL J (Special Agent Sam Hanna), and Chris O'Donnell (Special Agent G. Callen). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

6. "Big Brother" Season 5 Episode 6

Pictured: Eric Christian Olsen (LAPD Liaison Marty Deeks). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

7. "Big Brother" Season 5 Episode 6

Pictured: Eric Christian Olsen (LAPD Liaison Marty Deeks), LL COOL J (Special Agent Sam Hanna), Barrett Foa (Tech Operator Eric Beale), Renée Felice Smith (Intelligence Analyst Nell Jones), Daniela Ruah (Special Agent Kensi Blye) and Chris O'Donnell (Special Agent G. Callen). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

8. "Big Brother" Season 5 Episode 6

Pictured: LL COOL J (Special Agent Sam Hanna), Barrett Foa (Tech Operator Eric Beale), Renée Felice Smith (Intelligence Analyst Nell Jones), and Daniela Ruah (Special Agent Kensi Blye). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

9. "Big Brother" Season 5 Episode 6

Pictured: Renée Felice Smith (Intelligence Analyst Nell Jones). Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions, on NCIS: LOS ANGELES, Tuesday, Oct. 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.