Two, four, six, eight - how can you make numbers great? In this episode, Hamza learns just how quickly doubling can make numbers grow from tiny to astronomical! Along the way the investigators will get tangled in Chinese noodles, the challengers will get covered in slime eggs, and Hamza will interview a zombie!

We learn about: the number of times you can fold a piece of paper, human cell proliferation, exponential growth, introduced species which become invasive like rabbits in Australia, and how Chinese cooks use doubling to create thin noodles.