A new, more advanced generation of aliens known as the Morthren arrive on Earth. Dr Blackwood is saved from a kidnapping by a renegade soldier called John Kincaid. After executing the original alien invaders for failing to conquer humanity, the Morthren aim to destroy Blackwood's team with a clone of Colonel Ironhorse.

Cast: Jared Martin, Lynda Mason Green, Adrian Paul, Denis Forest, Catherine Disher, Philip Akin, Rachel Blanchard, Richard Chaves, Julian Richings, Sonya Delwaide, James Kirchner, Aaron Ross Fraser, Greg Kramer, Michael Woods, Mairon Bennett