Channel 4 is a public service television broadcaster in the United Kingdom that began broadcasting on November 2nd, 1982. It has since expanded to include several digital channels such as E4, Film4, 4Seven, and More4. Channel 4 focuses on programming for minority groups that were not served by the BBC or ITV at the time. Some of Channel 4's most popular and long-running shows include Big Brother, The Inbetweeners, Dispatches, and Big Fat Gypsy Weddings. The broadcaster has faced controversies over biased documentaries on topics like global warming but maintains its public service remit to air alternative perspectives.