Behind the scenes of BBC Scotland's Hydro debate
Last minute rehearsals have taken place at Glasgow's SSE Hydro ahead of a televised debate where more than 8,000 Scottish teenagers will get the chance to ask their questions over independence.
John Boothman, BBC Scotland's Head of News and Current Affairs, said: "This will be the biggest political debate that has ever been televised in Scotland.
"We are proud to bring the nation's young people together to hear the arguments that will determine the future of the country."
Comedian and presenter Des Clarke will host pre-debate entertainment for 16 and 17 year olds who will get their first chance to vote next week.
An audience from across Scotland has been chosen to fill up the giant Hydro arena in Glasgow
A giant LED video screen has been specially built on the Hydro stage to provide a colourful backdrop for the debate.
BBC Scotland's James Cook runs through his script ahead of the start of the debate. Production crew members sit in for the debate's panel to allow sound engineers and lighting teams to run tests ahead of filming.
Cameras crews work to make sure they are able to pick up every shot needed for the broadcast.
One of the mixing desks which will be used to control the levels of microphones, speakers and video screens used in the giant hall.
You can watch the debate on BBC One Scotland at 21:00 on 11 September.