You can watch it in the following ways:
1. Watch on TV: Classroom in the Air is broadcast on CCTV-4, the education channel of CCTV, every Sunday morning from 7: 50 to 8: 50, and can be watched on TV.
2. Watch through the Internet: You can watch the classroom programs in the air online through CCTV-4, an online TV station of CCTV. Open CCTV-4 official website, click "Internet TV Station" to enter, and then select "CCTV-4 Live Broadcasting" to watch the classroom program in the air.
3. Watch through the mobile terminal: You can also watch the classroom programs in the air through the mobile client of China CCTV. Download the CCTV mobile client in the mobile phone application market, and select CCTV-4 channel in the application to watch the classroom program in the air.
In short, no matter where you are, as long as you have TV, Internet or mobile devices, you can watch classroom programs in the air anytime and anywhere and gain more learning resources and knowledge.