NCIS Season 4 Episode 9
Twisted Sister
McGee breaks the rules, risking his NCIS job, to help his sister Sara, who shows up disoriented and bloodied. While he works on figuring out what happened to his sister, the NCIS team is investigating a case of a Navy sailor, who is somehow connected to McGee's sister. Both Tony and Abby are busy with love problems, while McGee turns out to have another secret.
- 4 - 24Angel of DeathMay. 22, 2007
- 4 - 23Trojan HorseMay. 08, 2007
- 4 - 22In the DarkMay. 01, 2007
- 4 - 21Brothers in ArmsApr. 24, 2007
- 4 - 20Cover StoryApr. 10, 2007
- 4 - 19Grace PeriodApr. 03, 2007
- 4 - 18IcemanMar. 20, 2007
- 4 - 17SkeletonsFeb. 27, 2007
- 4 - 16Dead Man WalkingFeb. 20, 2007
- 4 - 15Friends and LoversFeb. 13, 2007
- 4 - 14BlowbackFeb. 06, 2007
- 4 - 13Sharif ReturnsJan. 23, 2007
- 4 - 12SuspicionJan. 16, 2007
- 4 - 11DrivenDec. 12, 2006
- 4 - 10SmokedNov. 28, 2006
- 4 - 9Twisted SisterNov. 21, 2006
- 4 - 8Once a HeroNov. 14, 2006
- 4 - 7SandblastNov. 07, 2006
- 4 - 6Witch HuntOct. 31, 2006
- 4 - 5Dead and UnburiedOct. 17, 2006
- 4 - 4Faking ItOct. 10, 2006
- 4 - 3Singled OutOct. 03, 2006
- 4 - 2EscapedSep. 26, 2006
- 4 - 1ShalomSep. 19, 2006