Top cable networks include USA Network (which maintains a general entertainment format), ESPN and FS1 (which focus on sports programming), MTV (which originally focused on music videos when it launched in April 1981, but now largely features music-related, original scripted and reality television programming), CNN, MSNBC and Fox News Channel (which are dedicated news channels with some opinion and other feature-driven programming), A&E (a network created through the 1984 merger of arts-and-culture-oriented channels ARTS and The Entertainment Channel, which now focuses on non-fiction programs and reality docuseries), Syfy (which focuses on science fiction and fantasy programming), Disney Channel, Nickelodeon and Cartoon Network (which focus on children's programming, although the latter two run nighttime blocks aimed at a teen and adult audience, Nick at Nite and Adult Swim), Discovery Channel and Animal Planet (which focus on reality and documentary programs), AMC (which originally began as a classic film-focused movie channel in October 1984, and now focuses on a mix of feature films and original series), Turner Classic Movies (which focuses on older theatrical feature films), E!