Tracker - Season 1 (2001)

When he realizes he has inhabited the body of a kidnapper, an alien con artist enlists Cole's aid to prevent a killing.

An alien is spreading a deadly disease to women he seduces.

Zin's bodyguard enters the body of a German shepherd which has extraordinary strength

Cole transforms himself into Rod Archer, an ex-boyfriend of Mel's who disappeared two years earlier.

Cole and Mel are after an alien who took over the body of a 15-year-old boy and is luring homeless teens to his lair

Government alien hunters capture Cole while he attempts to release Kruce, an ally of Zin.

Zin frames Cole for murder, but Mel comes to his rescue.

Cole helps an American Indian investigate the suspicious death of his grandson.

Cole and Mel go under cover at an event held in an art gallery.

A child who recovered from cancer and has the power to heal others is actually a Cirronian scientist.

Cole and Mel pose as a married couple at a relationship retreat where they suspect two Orsians are hiding.

A bar customer is murdered while Mel, Cole, Detective Bruno and Nestov are stuck in the Watchfire during a major snowstorm.

Cole goes undercover in a psychiatric hospital to get vital information from one of the escaped aliens.

Cole infiltrates the Chicago mob as a hit man, then is expected to kill Detective Vic Bruno.

Cole is on the trail of an alien who copies the most-notorious serial killers of Earth.

Cole keeps searching the Jack the Ripper copycat. The killer attacks Mel while Cole falls into a deadly trap.

Cole discovers Zin has posed as a scientist to gain access to a government facility dealing with aliens.

Nestov double-crosses Cole and takes away his alien powers, but Cole escapes to face off against Zin in an ancient alien vault.

Cole discovers a way to recapture all the prisoners. But as he makes his preparations, he gets hit with an energy blast and suffers from amnesia. With the wormhole rapidly closing, can he remember in time to fix the device to send all the prisoners home? What will happen if he does complete his mission? The finale of the series.