E4 is a British television channel that primarily targets a younger audience, featuring a mix of entertainment, comedy, and drama. Launched in 2001, it is part of the Channel 4 network and is known for airing popular shows like The Inbetweeners and Made in Chelsea. The channel also broadcasts a variety of imported series, including American hits such as Friends and The Big Bang Theory. E4 is available on various platforms, including cable and satellite, and has a strong online presence through its streaming service, allowing viewers to catch up on missed episodes.