4x11: Natural Selection
4x08: Foreign Relations
4x07: The Dead Hand
4x09: Remains to Be Seen
4x10: In Plain Sight
4x12: Chronology of Pain
4x06: Interference
4x03: Index Case
4x02: The Dead Name
3x13: A Problem Like Maria
3x12: Frampton Comes Alive
3x11: The Amateurs
3x09: Best Enemies
3x08: Reversal of Fortune
3x07: Pilot Error
3x05: The Suicide Tree
