Jo Brand demonstrates an impressive grasp of street slang, Katy Wix uses a long part of her body to steal something sweet and David Baddiel takes a sledgehammer to a tricky problem. Plus, another former champion, Katherine Ryan, makes a dramatic return to the studio!

Prize task: The thing that if you found it in a field you would be most pleased about.

* Ed Gamble: A dead body, which you realise is actually a mannequin full of mini eggs. - 5
* Jo Brand: A shopping trolley with a built-in seat. - 4
* David Baddiel: A signpost saying: "This is the way out of the field". - 3
* Rose Matafeo: A cryptex. - 2
* Katherine Ryan, sitting in for Katy Wix: A phone signal. - 1

Task 1: Make a part of your body look abnormally long. Most realistic and abnormally extended body part wins. You have 20 minutes. Your time starts now.

* Jo: Her eyebrows. - 5
* Rose: Both her legs. - 4
* Ed: One leg. - 3
* Katy: Her tongue. - 3
* David: His forehead. - 1

Task 2: Push a melon up the slide and into the caravan with these breadsticks. Only breadsticks my touch the melon at any point. There is a bonus point for the fewest breadsticks used. You may not adjust the slide. Fastest wins. Your time starts now.

* Ed: Only person to complete the task. - 5
* Katy: Failed the task, but gets bonus point. - 1
* David, Jo and Rose: All touched the melon with something other than the breadsticks. - 0

Task 3: Serenade yourself. You have 20 minutes to perform and receive your serenade. Most sensational self-serenade wins. Your time starts now.

* Ed, Jo and Rose - 5
* Katy - 3
* David - 2

Live task: Slide a drink to the Taskmaster. The worst slider each round must leave the bar. Last person at the bar wins.

* Katherine/Katy - 5
* David - 4
* Rose - 3
* Jo - 2
* Ed - 1

Final scores

* Ed - 19
* Jo - 16
* Rose - 14
* Katy - 13
* David - 10