"Knock for Knock" is the second episode of the seventh series of the BBC television series Second City Firsts starring Sam Kelly, and Anthony O'Donnell.
The film concerns a man called Mr. Purvis (O'Donnell) trying to arrange car insurance after he has been convicted of drunk driving.
[1] In an online Q&A for The Guardian in 2000, Leigh said it was 'experimental for the time' as it was recorded in one take with multiple cameras.
[3] The tape was wiped by the BBC after broadcast and no copies are believed to exist.
[3] The film received a very positive review by Time Out who said it was 'the funniest thing on the box for months' and that Kelly gave the performance of the decade.