NCIS Season 6 Episode 21
Toxic
When a government scientist goes missing, Abby is recruited to carry on his work, but the team worries that she may meet the same fate as her predecessor.
- 6 - 25AliyahMay. 19, 2009
- 6 - 24Semper FidelisMay. 12, 2009
- 6 - 23Legend (2)May. 05, 2009
- 6 - 22Legend (1)Apr. 28, 2009
- 6 - 21ToxicApr. 07, 2009
- 6 - 20Dead ReckoningMar. 31, 2009
- 6 - 19Hide and SeekMar. 24, 2009
- 6 - 18KnockoutMar. 17, 2009
- 6 - 17South by SouthwestFeb. 24, 2009
- 6 - 16BounceFeb. 17, 2009
- 6 - 15DeliveranceFeb. 10, 2009
- 6 - 14Love and WarJan. 27, 2009
- 6 - 13Broken BirdJan. 13, 2009
- 6 - 12CagedJan. 06, 2009
- 6 - 11Silent NightDec. 16, 2008
- 6 - 10Road KillDec. 02, 2008
- 6 - 9DaggerNov. 25, 2008
- 6 - 8CloakNov. 18, 2008
- 6 - 7Collateral DamageNov. 11, 2008
- 6 - 6Murder 2.0Oct. 28, 2008
- 6 - 5Nine LivesOct. 21, 2008
- 6 - 4HeartlandOct. 14, 2008
- 6 - 3Capitol OffenseOct. 07, 2008
- 6 - 2Agent AfloatSep. 30, 2008
- 6 - 1Last Man StandingSep. 23, 2008