Debuts
- April 17 – The Disorderly Room (UK) premieres on the BBC Television Service (1937 & 1939).
- April 24 – For The Children (UK), the BBC's first programme for children, debuts (1937–1939; 1946–1950).
- April 30 – Sports Review (UK), the first regular sports programme, debuts on the BBC (1937–1939).
Read more about this topic: 1937 In Television