Curiosity S2 E3

Curiosity is an American documentary television series that premiered on August 7, 2011, on the Discovery Channel. Each episode focuses on one question in science, technology, and society and features a different celebrity host. Stephen Hawking hosted the premiere episode titled "Did God Create the Universe?", which aired simultaneously on seven Discovery Communications networks: Discovery Channel, TLC, Discovery Fit and Health, Animal Planet, Science, Investigation Discovery, and Planet Green. Season one consists of 16 episodes.