4x10: Midnight
4x09: Forest of the Dead
4x05: The Poison Sky
4x03: Planet of the Ood
4x01: Partners in Crime
3x08: Human Nature
3x07: 42
3x03: Gridlock
3x01: Smith and Jones
2x12: Army of Ghosts
2x13: Doomsday
2x11: Fear Her
2x10: Love & Monsters
