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