24 minutes in episode 1 of season 1, Luke Treadaway is getting naked to go into a sauna. We see his butt as he removes the towel around his waist. The cameras stays on him and we can admire his great body in the sauna. Then when a woman enters into the sauna, Luke covers his genitals with his hand. While he does, there is one frame where we can see his nick and big uncut dick.