Greg Davies judges the competence of five comics in tasks involving a cloche, a jar of dice and giant pencils. Joanna Page holds a sheep above her head, Amy Gledhill bursts a balloon in the lab and Kumail Nanjiani gives an ostrich some fangs. Elsewhere, Armando Iannucci and Joel Dommett both find unusual substitutes for sweets, while the normally infallible Alex Horne makes a rare error.