In this second episode, we continue exploring the Big Question, "Is there anybody out there?", starting with Giordano Bruno and the idea of an infinite universe and ending up with the Drake Equation, the Fermi Paradox, and Terry Bisson's biting short story, "They're made out of meat". That story has been adapted as a short film, which you can find here: https://youtu.be/T6JFTmQCFHg