6x13: Sight Unseen
6x14: Smoke & Mirrors
6x15: Paradise Lost
6x16: Metamorphosis
5x17: Fail Safe
5x18: The Warrior
5x19: Menace
5x20: The Sentinel
5x21: Meridian
5x22: Revelations
5x01: Enemies
5x02: Threshold
5x03: Ascension
5x04: The Fifth Man
5x05: Red Sky
5x06: Rite of Passage
5x07: Beast of Burden
5x08: The Tomb
5x10: 2001
