A prequel to Marion and Geoff, which captures on camcorder the fateful events at a garden party when mini-cab driver Keith's life fell apart. Friends and family have gathered for a barbecue to celebrate the career of Keith's wife Marion, who is at the party with her boss, Mr Sushimoto, and her colleague, Geoff. However, Keith's father-in-law uncovers the true extent of Marion's naked ambition, with humiliating results for Keith.
Unfortunately the movie Marion and Geoff: A Small Summer Party is not yet available on HBO Max.
| Production | Henry Normal | Executive Producer |
| Production | Steve Coogan | Executive Producer |
| Writing | Hugo Blick | Writer |
| Writing | Rob Brydon | Writer |
| Directing | Hugo Blick | Director |
| Editing | Graham Hodson | Editor |