With exclusive access to the archives of one of Britain's greatest and most influential comedians, comedy actor and Tony Hancock fan Jack Dee opens up the archive for the first time to discover its priceless, unique contents. A treasure trove of never-before-seen personal items such as photos, ideas, scripts, scrapbooks, production files and extraordinary letters that illustrate his life in vivid detail. This documentary also has exclusive TV access to clips from Hancock's 1963 ATV series, unbroadcast for over 50 years.