The Beverly Hills, 90210 franchise comprises the ongoing timeline and shared characters that link the American television series Beverly Hills, 90210; Melrose Place; Models Inc.; 90210; and the 2009 version of Melrose Place. The fourth entry, simply titled 90210, was the first show in the franchise which did not debut on FOX in the United States. Developed by Rob Thomas, Gabe Sachs, and Jeff Judah, the series premiered on The CW on September 2, 2008. On September 8, 2009, the fifth series, a follow-up to Melrose Place, also debuted on The CW, and concluded in April 2010.