The station first signed on the air on February 15, 1950, as KEYL; channel 5 was the second television station to sign on in the San Antonio market, debuting three months after primary
NBC affiliate
WOAI-TV (channel 4). The station has been a primary CBS affiliate since its sign-on, however it initially carried secondary affiliations with
DuMont,
ABC and the
Paramount Television Network—the former two affiliations were shared with WOAI-TV. The station was originally owned alongside KABC radio (680 AM, now
KKYX). KEYL was one of Paramount's strongest affiliates, carrying nearly the network's entire lineup. Among the Paramount programs that KEYL aired were
Armchair Detective,
Hollywood Wrestling, Time for Beany and
Movietown, RSVP. In 1951,
Storer Broadcasting (which had good relations with CBS) bought KEYL and KABC. On February 1, 1954, KABC and KEYL became KGBS and KGBS-TV. In November of that year, Storer was forced to sell KGBS-AM-TV to the
San Antonio Express-News, in order to complete the company's purchase of WXEL-TV (now
WJW) in
Cleveland as keeping KGBS-TV would have put the company one station over the
Federal Communications Commission's ownership regulations that went into effect that year which limited the number of television stations that can be owned by one company to seven, with no more than five of those allocated to the
VHF band (at the time, newspapers could own television and/or radio stations in the same market provided that such ownership complied with the FCC-mandated ownership limits of each property in effect at the time). The
Express-News then changed the call letters of the television and radio stations to KENS-TV and KENS (the "-TV" suffix was dropped from the callsign of the television station following the digital television transition on June 12, 2009, when several other Belo stations dropped the suffix from their legal call signs; Storer later re-used the KGBS calls on what is now
KTNQ and
KNX-FM in
Los Angeles). The release of the KABC call letters freed ABC to pick up the call letters for its flagship cluster of
television,
AM, and
FM stations in Los Angeles shortly thereafter. DuMont ceased most network operations in 1955, but would honor network commitments until August 1956, when it ceased operations permanently. Channel 5 lost ABC programming when KONO-TV (channel 12, now
KSAT-TV) signed on in 1957, leaving KENS as a full-time CBS affiliate. During the late 1950s, the station was also briefly affiliated with the
NTA Film Network. In early 1962, the
Express-News and KENS-AM-TV were purchased by
Harte-Hanks Communications; the radio station was sold off a few months later since Harte-Hanks was not interested in radio station ownership at the time. When the FCC tightened its cross-ownership rules in the early 1970s, Harte-Hanks sought
grandfathered protection for its San Antonio media combination. However, while the FCC granted such protection to several media combinations across the country, it would not do the same to the Harte-Hanks combination in San Antonio. Accordingly, in 1973, Harte-Hanks opted to keep KENS-TV and sell the
Express-News to
Rupert Murdoch's
News Corporation. In the mid-1980s, KENS broadcast a short-lived local
cable channel that was carried on Rogers Cablevision channel 24, called KENS II. The channel started its broadcasts on September 2, 1984. Under the direction of station manager Larry Smith, the channel's programming included replays of channel 5's local newscasts, broadcasts of Ron Taylor and Janie Groves' classified real estate programming and a few locally produced programs and specials such as
Auto TV (hosted by Richard Courchesne and Michael Saul), and Barney Regets' computer generated musical video kaleidoscope created earlier at UA Columbia's Consumer Cable 29. In March 1985, KENS II expanded its timeslot to 24 hours. On March 24, 1985, KMOL-TV parent company
United Television filed a protest with the FCC, claiming that by operating KENS II, it gave KENS an unfair competitive advantage, and that Harte-Hanks was violating the spirit of the commission's long-standing rules that forbade duopolies. KENS management maintained that the duopoly rules did not apply to cable television. After a little over four years on the air, KENS II was shut down and was replaced by
American Movie Classics on May 1, 1988. In July 1990, it was reported that KENS was holding talks with ABC about switching to that network, which would have left existing affiliate KSAT without a network affiliation. Then-KENS general manager Michael Conly cited CBS' then-distant third ranking as a reason for wanting to switch networks, feeling that the poor performance of CBS programming at the time would harm KENS' overall dominance in the San Antonio market. In 1993, Harte-Hanks acquired what at the time became the second incarnation of KENS radio (1160 AM). In September 1997, Harte-Hanks sold its remaining media properties, including the KENS stations, to the
E. W. Scripps Company in order to concentrate on the company's direct marketing operations. At the same time,
Belo Corporation announced that it would trade its controlling stake in the
Food Network to Scripps in exchange for the KENS stations. The Harte-Hanks/Scripps deal and the transfer of Belo's stake in the Food Network to Scripps were both completed on October 15 of that year. At that time, Belo took over the operations of the KENS stations through a
time brokerage agreement (TBA). Belo completed its purchase of the KENS stations on December 4, 1997. The second incarnation of KENS radio was sold to
The Walt Disney Company in 2003, which converted the station into a
Radio Disney outlet as
KRDY (it is now a
Catholic talk station owned by Immaculate Heart Media). In August 2000, KENS began to manage upstart
UPN affiliate KBEJ (channel 2, now
MyNetworkTV affiliate
KCWX) under a local marketing agreement (LMA). The LMA was terminated in April 2010, five months before the station lost its
CW affiliation. KENS remained closely associated with the
Express-News, even though the station and newspaper had been under separate ownership for many years. The station shared its main website with the newspaper until the end of 2008, when the news partnership agreement between KENS and the
Express-News ended. The station launched its own website, Kens5.com, on January 26, 2009. The site has been recognized with two
Lone Star Emmy Awards for Interactivity and the 2011 and 2015 Regional
Edward R. Murrow Award for "Best Large-Market Website." On June 13, 2013, the
Gannett Company announced that it would acquire Belo's television properties, including KENS, for $1.5 billion. The sale received FCC approval on December 20, and was formally completed on December 23, 2013, reuniting KENS with former Harte-Hanks sister stations
WFMY and
WTLV. On June 29, 2015, the Gannett Company split in two, with one side specializing in print media and the other side specializing in broadcast and digital media. KENS was retained by the latter company, named
Tegna.
Nexstar Media Group acquired Tegna in a deal announced in August 2025 and completed on March 19, 2026. ==Programming==