This is the 2147th most frequent Japanese word.
放映
Broadcasting or airing (of a TV show or movie).
Here, '放映' denotes the event of broadcasting a program historically.
この番組の放映が始まったのは1990年です。
The broadcast of this program started in 1990.
In this example, '放映中' specifies the context of broadcasting in-progress.
番組が放映中にトラブルが発生した。
A problem occurred during the broadcasting of the program.
This usage refers to broadcasting a movie on television at a specific time.