If the national treasure can talk, when will the documentary be watched for free?

every night from January 1st at 22: . According to official website of CCTV, the TV documentary "If a National Treasure Can Talk" was broadcast free of charge on CCTV Record Channel at 22: every night from January 1, 218. In the first season, pottery and bronzes in ancient times were presented. In the second season, it mainly talked about cultural relics in the Spring and Autumn Period and the Warring States Period and the Qin and Han Dynasties. In the third season, the historical scope of the program spanned from Wei, Jin, Southern and Northern Dynasties to Sui and Tang Dynasties, covering calligraphy, painting, murals and other categories.