Earth: Final Conflict (1997)

S2E3 A Stitch in Time

During a showcase of Taelon artifacts from Strandhill, Liam leaps through a Taelon portal and lands two days ahead in time, discovering that the Resistance headquarters has been decimated, with everyone killed. When he returns to the present, he rushes to prevent the impending slaughter, growing increasingly worried that he might be the one responsible for the killings. Meanwhile, Zu'or, intent on eliminating Liam, sends lethal brain wave emissions from the Taelon mothership. Doors, wary of Liam's intentions, becomes increasingly uneasy and insists that he should be shot.