KMYS originally signed on the air on November 6, 1985 as KRRT, an independent station owned and operated by the TVX Broadcast Group.
Used from a sign-off (1988).
KRRT became one of the original charter Fox affiliates on October 5, 1986. Paramount Pictures purchased a stake in TVX in two phases from 1989 to 1991, which would later become the Paramount Stations Group.
KRRT switched affiliation from Fox to UPN when it launched on January 16, 1995, while the Fox affiliation was moved to KABB.
KRRT switched affiliation from UPN to The WB network on January 25, 1998, while UPN was moved to secondary with WOAI-TV.
In 2006, it was selected to be the San Antonio affiliate of MyNetworkTV and the call letters changed to KMYS on June 19, 2006.
On August 30, 2010, the station became the area's affiliate for The CW after its charter San Antonio affiliate, KCWX took over MyNetworkTV.
Summer variant as seen on website (2012)
TV stations in San Antonio