Tracker is a 2001 Canadian science fiction television series starring Adrian Paul and Amy Price-Francis. The series is based on a short story by Gil Grant and Jeannine Renshaw. The pilot episode and two other episodes were edited into the film Alien Tracker.

The world is falling into chaos. As he roams a crumbling city, Duncan MacLeod, the Highlander, remembers happier times before the love of his life left... Hopeless and alone, MacLeod finds his way to a band of immortal companions, including his mysterious friend Methos, and a mortal, Watcher Joe Dawson. Together this small group sets out on a quest to find the origin of the first Immortal.