5x03: Ascension
5x02: Threshold
5x01: Enemies
4x22: Exodus
4x21: Double Jeopardy
4x20: Entity
4x19: Prodigy
4x18: The Light
4x17: Absolute Power
4x16: 2010
4x15: Chain Reaction
4x13: The Curse
4x12: Tangent
4x09: Scorched Earth
4x08: The First Ones
4x07: Watergate
4x04: Crossroads
4x03: Upgrades
