Discovery Channel  is an American satellite and cable TV channel, also delivered via IPTV. It provides documentary programming focused primarily on popular science, technology, and history. the programming for the main Discovery network is primarily focused on “reality-based” television themes (with shows such as Mythbusters, Unsolved History, and Best Evidence), automobiles, and occupations (Dirty Jobs and Deadliest Catch); it also features documentaries specifically aimed at families and younger audiences.