Documentary charting the build up to the 75th anniversary of Battle of Britain Day on September 15, 2015. An estimated 40 Spitfires and Hurricanes from across the UK, USA and Europe will come together at the Boultbee Flight Academy, the world's only Spitfire Flying School, to take part in an historic flypast over the South of England. Dermot O'Leary hears the memories of veterans who have come to witness it. Filmed on location at Goodwood Aerodrome and with special guests including HRH Prince Harry , Ex War Veterans TomNeil (RAF) and Mary Ellis (Ferry Pilot ATA) share their memories and give us an insight into how they were involved in the Second World War and their involvement in the Battle of Britain (10th July - October 31st 1940)