Alien Nation: The Udara Legacy is a 1997 American science fiction television film directed by Kenneth Johnson and written by Renee and Harry Longstreet. It is the fifth and final film produced to continue the story of the television series Alien Nation. It aired on Fox on July 29, 1997.

The plot introduces the idea that among the Tenctonese slaves, there was a resistance movement called the Udara who were implanted with hypnotic suggestions to act as sleeper agents. Now, here on Earth, someone has found a way to activate these sleeper agents, and send them out as assassins.