Columbia TriStar Home Video is the DVD, Blu-Ray Disc, and UMD distribution arm of Sony Pictures Entertainment, a subsidiary of Sony Corporation. It was first established in November 1979 by Columbia Pictures Industries, Inc. as Columbia Pictures Home Entertainment, to distribute films from Columbia Pictures on VHS, Beta, Laserdisc, and Super 8mm, with Warner Bros. titles being released by them in the latter format. It was later renamed as RCA/Columbia Pictures Home Video or RCA/Columbia Pictures International Video for international distribution, RCA/Columbia Pictures/Hoyts Video in conjuction with Hoyts in Australia and Gaumont Columbia RCA Video in conjuction with Gaumont in Fance in 1981 as a joint venture with RCA, Columbia TriStar Home Video on August 23, 1991 after acquiring RCAs shares from General Electric, Columbia TriStar Home Entertainment in 1999 before the name was made official in 2001, and finally to its current name in 2004. It is responsible for the distribution of the Sony Pictures library for home entertainment, mainly releases from Columbia Pictures and TriStar Pictures, but also releases product from Sony Pictures Classics, Screen Gems, Triumph Films, Destination Films, Stage 6 Films, Affirm Films, Revolution Studios, its television library, selected miscellaneous output from independent companies, and the CBS Films theatrical releases co-distributed by CBS Home Entertainment. Since June 21, 2007 SPHE now handles the former Sony BMG kids label, Sony Wonder.