In episode six Paul and Nathan obtain - on a train - the defining shaming image of the scandal, before one of our sources takes you inside the room to reveal what the camera failed to capture that day - and the damning comment from Boris Johnson which could still come back to haunt him. While Sue Gray verifies our reporting with a scathing report, the PM faces down a major rebellion. Will anything topple this teflon leader?

Partygate: The Inside Story was presented by Paul Brand. It was written by Paul Brand and David Williams with additional production by Nathan Lee and archiving by Lewis Denison, Elisa Menendez and Will Tullis. Audio production and sound design was by Dawn Kelly and Emma Roberts. The series was produced and directed by David Williams. The executive producer was Matt Williams.