The thing that most makes Greg scratch his chin was a prize task featured on Series 18 of Taskmaster, as the first task in The Nexus of Truth. The task was won by Rosie Jones.
Summary[]
The contestants had to bring in a prize that best fit the task category of the thing that most makes Greg scratch his chin. The winner of the episode would be able to take home all of the prizes.
Performance[]
Andy Zaltzman: Andy brought in a "Mosquit-eau" aftershave cologne, made out of mosquitos' saliva and "endorsed" by Greg. He received 4 points.
Babátúndé Aléshé: Baba simply brought in a paper plate just to baffle Greg. He received 3 points.
Emma Sidi: Emma brought in photos of fake acne on her chin. She received 1 point.
Jack Dee: Jack brought in "The Colin Phillips Book of Information" which secretly contained a Phillips-head screwdriver inside. He received 3 points.
Rosie Jones: Rosie brought in a scroll which contained a question for Greg: "Would he rather make sweet love to Alex's body with Rosie's head, or Rosie's body with Alex's head?" She received 5 points.