The context is that Graham Norton is showing photos of Jack Whitehall, who complains that his mother gave the show's producer embarrassing childhood photos of him, including a photo of him as a child dressed up as Robin Hood.
JL: That was a huge mistake.
GN: Wait until you see what's coming up. But you were slightly obsessed by Robin Hood.
JL: This is a video of your circumcision. I'm kidding, I'm kidding. You're British: we know you're not circumcised.
JW: Robin's hood is very much on.