Season 4
Having not completely healed from the injuries he got in the season three finale, Leroy Jethro Gibbs decides to retire from his job as the head of the Naval Criminal Investigative Service, with members Ziva David, Tony DiNozzo, Abby Sciuto, Tim McGee and Dr.

Donald “Ducky” Mallard. Because of this, the impatient DiNozza leads the team, but only for a short while. Gibbs, working extra hard, takes over the team in the episode, “Escape.”
|
Episode No |
Episode Name |
Air Date |
|
Episode 71 |
“Shalom“ |
19-Sep-06 |
|
Episode 72 |
“Escaped“ |
26-Sep-06 |
|
Episode 73 |
“Singled Out“ |
3-Oct-06 |
|
Episode 74 |
“Faking It“ |
10-Oct-06 |
|
Episode 75 |
“Dead and Unburied“ |
17-Oct-06 |
|
Episode 76 |
“Witch Hunt“ |
31-Oct-06 |
|
Episode 77 |
“Sandblast“ |
7-Nov-06 |
|
Episode 78 |
“Once a Hero“ |
14-Nov-06 |
|
Episode 79 |
“Twisted Sister“ |
21-Nov-06 |
|
Episode 80 |
“Smoked“ |
28-Nov-06 |
|
Episode 81 |
“Driven“ |
12-Dec-06 |
|
Episode 82 |
“Suspicion“ |
16-Jan-07 |
|
Episode 83 |
“Sharif Returns“ |
23-Jan-07 |
|
Episode 84 |
“Blowback“ |
6-Feb-07 |
|
Episode 85 |
“Friends and Lovers“ |
13-Feb-07 |
|
Episode 86 |
“Dead Man Walking“ |
20-Feb-07 |
|
Episode 87 |
“Skeletons“ |
27-Feb-07 |
|
Episode 88 |
“Iceman“ |
20-Mar-07 |
|
Episode 89 |
“Grace Period“ |
3-Apr-07 |
|
Episode 90 |
“Cover Story“ |
10-Apr-07 |
|
Episode 91 |
“Brothers In Arms“ |
24-Apr-07 |
|
Episode 92 |
“In The Dark“ |
1-May-07 |
|
Episode 93 |
“Trojan Horse“ |
8-May-07 |
|
Epidode 94 |
“Angel of Death (1)“ |
22-May-07 |



