1x06: The Adversary
1x07: Trompe L'Oeil
1x08: Trace Decay
1x01: Twinvasion (Pilot)
1x06: Twinipulation
1x02: Twinstinct
1x03: Twinstigate
1x04: Twinsanity
1x05: Twintastrophy
1x07: Twinfection
1x10: Twinception
1x02: Protocol 6
1x03: Aleksander
1x06: Helios-685
1x07: Protocol 5
1x01: Superstitious Showdown
1x02: Cuts Like a Diamond