4x19: Green Light
4x18: The Drill
4x17: I'm Home
4x16: Mother Love
4x15: Unauthorised Entry
4x14: Quad Squad
4x13: Dial C for Cop
4x12: Blood Relations
4x10: Fish Out of Water
4x07: End Game
4x06: Santiago: Rain 27
4x05: In the Family Way
4x04: Cut Off Point
4x03: Double Blind
4x01: Fair Cop
3x31: Old Bones
3x29: War Games (3)