First teletext service in the Czech Republic was launched on 1 May 1988 under Czechoslovak Television.[2] It was inspired by German and Austrian teletexts.[3] Czech Television eventually started to provide teletext services for both its channels - ČT1 (Teletext ČT) and ČT2 (Teletext Express). When ČT 4 Sport was launched it received its teletext called Teletext ČT4. On 1 February 2010 it started to provide teletext on ČT24 called Teletext ČT24.[4] Teletext services of Czech Television managed to get dominant market share domination as in 2010 its market share got over 70%.[5] In 2021 TV Nova and Prima televize ceased their teletext services leaving Czech Television the only major teletext provider in the Czech Republic.[6]
In February 2024 Czech Television launched new version of teletext that is built on Internet technology.[7]
