JOCH-DTV (channel 4), branded as Chukyo TV (中京テレビ, Chūkyō Terebi, CTV), is the Chūkyō metropolitan area flagship station of the Nippon News Network and Nippon Television Network System (NNS), owned by the Chukyo TV.

At the same time, the then governor of Aichi Prefecture, Kuwahara Mikine, came forward to integrate the six companies that applied for the merger.

Thanks to the popularization activities of Chukyo TV, in January 1971, the penetration rate of UHF viewing equipment in Aichi, Gifu, and Mie prefectures exceeded 80%.

On December 27 of that same year, NTV, NET TV, NBN, and Chukyo Television held talks, and finally decided that starting from April of the following year, Chukyo Television would join the Nippon News Network and the Nippon Television Network System, with Nagoya TV joining the All-Nippon News Network.

After joining the NNN/NNS network, Chukyo Television's sales from April to September 1973 reached 1.321 billion yen, an increase of 38% over the previous year, exceeding 1 billion yen for the first time,[1]: 50  while the accumulated losses since launch were cleared.

[1]: 65  At the same time, CTV also began to strengthen international cooperation and signed sister station agreements with KSL-TV and KRON-TV in the United States and Yunnan TV in China.

[1]: 90 In the early 1990s, affected by the collapse of Japan's bubble economy, Chukyo TV was forced to withdraw from ski resorts, golf courses and other fields to focus on the television industry.

[1]: 110  In the same year, Chukyo TV's advertising revenue also rose to the second place among Nagoya stations.

The station began its digital broadcasts on December 1, 2003, on virtual channel 4 (and Core Bureau Nippon Television is the same).

[7] On November 29, 2024, Chukyo TV, alongside fellow NNN/NNS affiliates Yomiuri TV, The Sapporo Television Broadcasting and Fukuoka Broadcasting System announced its intentions to combine and integrate its operations into a holding company known as Yomiuri Chukyo FS Holdings Corp. with its offices being located at NTVHD's headquarters in Minato, Tokyo.

The merger, classified as a joint-stock transfer is expected to close on April 1, 2025, pending approval from the Ministry of Internal Affairs and Communications.

Unlike a full restructuring of either CTV, YTV, STV and FBS, all four broadcasters would become wholly-owned subsidiaries of the combined company with its operations, including its corporate functions, remaining intact.