3x04: The Dunwych Madness
3x02: Peacekeepers
3x01: Stairway to Heaven
2x20: Witch Way to the Prom
2x19: Pope Parker
2x17: X-35 Needs Changing
2x16: The Cuban Missile
2x15: Space Station Down
2x14: Deja Vu All Over Again
2x12: Buried Alive
2x11: Time Gremlin
2x08: The Collector