„Seek” is the 18th episode of the tenth season of the American police procedural drama NCIS, and the 228th episode overall. It originally aired on CBS in the United States on March 19, 2013. The episode is written by Scott Williams and directed by Michael Weatherly, and was seen by 19.79 million viewers.

In the episode, a widowed Marine wife, whose husband was seemingly killed by a Taliban sniper, asks Gibbs’ help to find out the truth. Meanwhile Vance is conducting interviews for a nanny.