3x03: Gridlock
3x07: 42
3x08: Human Nature
3x10: Blink
3x11: Utopia
3x12: The Sound of Drums
4x01: Partners in Crime
4x03: Planet of the Ood
4x05: The Poison Sky
4x09: Forest of the Dead
4x10: Midnight
4x11: Turn Left
