Thanks for your post and apologies to hear that you are having an issue watching this programme on catch up.
Currently there is an open fault with the reference: F004840373
This is affecting On Demand and Catch Up content for Channel 4 and Sky.
Our engineers are already on the case and are working to fix the issue.
Apologies for any inconveniences.
Tech fan? Have you read our Digital life blog yet? Check it out