"Further Instructions" is the third episode of the third season of the American science fiction television series Lost. It first aired on October 18, 2006, on the American Broadcasting Company (ABC), making it the 52nd episode of the series. The episode was written by showrunner Carlton Cuse and supervising producer Elizabeth Sarnoff and was directed by Stephen Williams.

The third season of the American serial drama television series Lost commenced airing in the United States and Canada on October 4, 2006, and concluded on May 23, 2007. The third season continues the stories of a group of over 40 people who have been stranded on a remote island in the South Pacific, after their airplane crashed 68 days prior to the beginning of the season. In the Lost universe, the season takes place from November 28 to December 21, 2004. The producers have stated that as the first season is about introducing the survivors and the second season is about the hatch, the third season is about the Others, a group of mysterious island inhabitants.