2x14: The Last Mermaid
2x13: The Outpost
2x11: Mixed Signals
2x09: No North Star
2x07: Entrapment
2x06: Distress Call
2x05: Primal Instincts
2x03: Natural Order
2x02: The Wolf at the Door
2x04: Oil & Water
2x01: The Arrival
1x09: Street Fight
1x08: Being Human
1x07: Dead in the Water