Things become a little strange in the Taskmaster house as Armando Iannucci and Joanna Page contemplate an alien invasion, Joel Dommett joyfully slides socks onto cacti, Kumail Nanjiani is enchanted by smoky bubbles, and Amy Gledhill performs stand-up using items of clothing. Meanwhile, Greg Davies proves that he's a responsible master of his loveable pet, Little Alex Horne.