1x04: Supper
1x03: Dove
1x02: Incubation
1x01: Tragedy
1x10: Twinception
1x07: Twinfection
1x06: Twinipulation
1x05: Twintastrophy
1x04: Twinsanity
1x03: Twinstigate
1x02: Twinstinct
1x01: Twinvasion (Pilot)
3x09: Breaking Point
3x08: To the Gates!
3x06: Born Again
3x05: The Usurper
3x03: Warrior's Fate
