David Mitchell challenges the Outsiders to make dummy David fly as far as possible, before forming their own political parties.

It's the last day for the Outsiders and with everything to play for there are only two badges in a race to the finish line. David Mitchell has challenged the Outsiders to make dummy David fly through the sky as far as possible, but will Roisin and Alan's lowtech device or Chris and Laura's scientific mechanism be the right approach to take for the penultimate badge?

To earn the final badge, the teams must create their own political party and convince an audience at a hustings of their manifesto and points. Guz and Judi's shameless populism creates no friends amongst their rivals, and even leaves Guz out of pocket with one audience member. Finally, the Outsiders make their way one last time to David's HQ to find out who has won the final badges, and who will be crowned this year's Outsiders' Champions.