A Stitch in Time - S2.E3

At an exhibit of Taelon items from Strandhill, Liam jumps through a Taelon portal which takes him two days into the future, where he finds everyone in the Resistance headquarters murdered. On returning to the present, he races to stop the massacre and begins to suspect that he is the assassin. Zu'or attempting to destroy Liam, beams dangerous brain wave emissions to him from the Taelon mothership. Doors, highly suspicious of Liam, becomes agitated and demands that Liam be shot.