3x09: The Genesis Pits
3x07: Paper Hero
3x06: Hard Times
3x05: Curtain Call
3x03: Lonely Soldier Boy
3x02: The Lost City
3x01: The Invid Invasion
2x24: Catastrophe
2x23: The Invid Connection
2x22: Final Nightmare
2x21: Daydreamer
2x20: Crisis Point
2x17: The Hunters
2x19: Dana in Wonderland
2x14: Triumvirate
2x18: Mind Games
2x15: Clone Chamber