Four episodes from season 8 of the US sci-fi series. Colonel Jack O'Neill and the SG-1 Team battle against old foes and face new dangers in amazing but ever more hostile worlds. Episodes are: 'Icon', 'Avatar', 'Affinity', and 'Covenant'. In 'Icon' SG1's sudden appearance sparks a civil war on the planet Tegalus. A virtual reality training exercise goes dramatically wrong in 'Avatar', In 'Affinity' Teal'c is given the clearance to live off base and tries in vain to blend into society. Finally in 'Covenant' a billionaire industrialist threatens to reveal the existence of alien life at a press conference, SG-1 is asked to keep him quiet.