Crossword Genius

Broadcast did test Martin Bashir: did watch show this once? (7,8,4)

Ross

I believe the answer is:

british standard time

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'broadcast did test martin bashir did watch show this once?' is the definition.
The definition suggests a singular noun which matches the answer.

'broadcast did test martin bashir' is the wordplay.
'broadcast' indicates an anagram (letters scattered or cast around).
'did'+'test'+'martin'+'bashir'='didtestmartinbashir'
'didtestmartinbashir' is an anagram of 'BRITISH STANDARD TIME'.

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I've seen this clue in The Guardian.
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