Prize task: Most unusual item.

* Tim Key: A reindeer skull. - 5
* Frank Skinner: A pair of grape scissors. - 4
* Romesh Ranganathan: A snow globe featuring pictures of his children. - 3
* Roisin Conaty: A photo of a bench a tramp had carved words into. - 2
* Josh Widdicombe: A football signed by the Plymouth Argyle squad, with the signatures faded from it. - 1

Task 1: In the lab there is a watermelon. Eat as much watermelon as possible. You have one minute. Your time starts when you open the door to the lab.

* Romesh: 301g - 5
* Tim: 302g (deducted a point for cheating) - 4
* Josh: 218g - 3
* Frank: 179g - 2
* Roisin: 9g - 1

Task 2: Paint the best picture of a horse, whilst riding a horse.

* Frank - 5
* Romesh - 4
* Josh - 3
* Tim - 2
* Roisin - 1 (moved from third to last due to her riding a mechanical horse rather than a real horse.)

Task 3: Completely empty this bathtub. Fastest wins. You must not remove the plug, tip or damage the bath. Your time starts now.

* Romesh: 2:50 - 5
* Frank: 7:42 - 4
* Josh: 8:52 - 3
* Roisin: DNF - 2
* Tim: 2:20 (disqualified for removing the plug) - 1

Live task: Pop up a tent, get in the tent, zip up the tent, put on a onesie in the tent, and emerge from the tent wearing the onesie. Fastest wins.

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

Final scores

* Frank and Romesh - 19
* Tim - 17
* Josh - 13
* Roisin - 7

Tie-break task: Find Alex. Fastest wins. Your time starts now.

* Frank: 1:50 - Winner
* Romesh: 2:27