Six intrepid comedians. One pedantic host. From his cosy indoor HQ, David Mitchell considers who has conquered the outdoors and proved their worth at post-apocalypse preparation.

It's the final day in camp, and the Outsiders attempt to build flying machines and become an elected political party in a bid to win the most badges and become ...

David Mitchell employs the full extent of his intellect to guess Scout (or Guide) badges, some of which are a lot more modern than he was expecting - and what would he add if he got the chance?

The comedians compete for the gadget badge and we see inventions such as a burglar alarm and a TV featuring the real Mark from Peep Show.