Trapped by Television is a 1936 American film directed by Del Lord. The film is also known as Caught by Television in the United Kingdom.
Although televisions were being made from the late 1920s, they werent commercially available until after 1936. The model shown in the movie was designed for the production using a backlit projection of a moving image onto the screen. The screen was notable for its large size when actual television screens of the period were smaller. The BBC Broadcasting Service began in November 1936, four months after this movies release.Although the first reel is noticeably faded on most surviving prints, this movie is now in the public domain and is available for general download. ........
Source: Wikipedia