2x06: Alien Tech
2x02: Gods & Aliens
1x05: The Return
1x03: The Mission
1x02: The Visitors
1x01: The Evidence
3x12: Guilt Is A Bully
3x11: Unwanted Guest
3x10: Fire and Rain
3x09: Truth Hurts
3x07: Through the Fire
3x06: I'll Be There
3x04: Trouble Man
