Unlike the other two channels of the Czech Television at the time, ČT1 and ČT2, ČT3 broadcast its program largely in foreign languages and 24 hours a day.

In 2022, however, Czech Television announced that, due to the need to limit financial expenses, ČT3 would end broadcasting on 1 January 2023.

From 4 February 1994, the first Czech full-scale commercial station, TV Nova, began to use the vacated space.

[3] It finally started broadcasting on 31 August 2013 under the name ČT: D. Establishment of the temporary TV channel ČT3 was announced by Czech Television on 18 March 2020.

Due to the extraordinary situation, ČT stopped producing most of its regular programs and was able to use the funds for the creation of a new channel.

Elected Director-general Jan Souček who is to assume office in October 2023 confirmed that he supports restoration of ČT3.