Greg Davies and Alex Horne host as Frank Skinner takes a boulder onto a train for a pleasant excursion. Then he and the other comedians try to make a Swedish man blush.

Prize task: Most valuable item.

* Josh Widdicombe: A signed blank cheque. - 5
* Frank Skinner: A ring worth £3,995. - 4
* Romesh Ranganathan: A Peugeot 407 worth £590. - 3
* Tim Key: Eight copies of his book The Incomplete Tim Key, which he could autograph. - 2
* Roisin Conaty: A fake diamond ring worth £12. - 1

Task 1: Get this boulder as far away from this place as possible. You have one hour. Your time starts now.

* Josh: All the way to Windsor. - 5
* Frank: 6.5 miles. - 4
* Tim: 2.3 miles. - 3
* Romesh: 1.75 miles. - 2
* Roisin: 300 yards. - 1

Task 2: Grow the longest nail. You have 10 weeks. Your time starts now.

* Josh: 2.8cm - 5
* Romesh: 2.2cm - 4
* Frank: 2.1cm - 3
* Roisin: 1.8cm - 2
* Tim: DNS - 1

Task 3 (Team Task): Make this bed to a hotel standard while holding hands. The time ends when you get into the bed. Fastest wins. Hold hands now. Your time starts now.

* Frank and Tim: 10:57 - 2
* Josh, Roisin and Romesh: 16:03 - 0

Task 4: Make this Swedish person blush as deeply as possible. You have 10 minutes. Your time starts now.

* Roisin - 5
* Romesh - 4
* Frank - 3
* Tim - 2
* Josh - 1

Live task: Blow up the biggest balloon whilst blindfolded. You have 100 seconds and one balloon.

* Roisin - 5
* Frank - 4
* Romesh - 3
* Josh - 2
* Tim - 0 (disqualified for not tying his balloon up)

Final scores

* Frank - 20
* Josh - 18
* Romesh - 16
* Roisin - 14
* Tim - 10