Plot: A celebration of the 25th anniversary of the Secret Policeman's Ball in aid of Amnesty International. Many of Britain's finest comedians, including John Cleese, Sir Bob Geldof, Alan Bennett, Jennifer Saunders, Stephen Fry, Terry Jones, Terry Gilliam, Ruby Wax, Lenny Henry, Sting, Phil Collins and Rowan Atkinson are reunited in a reflection of the changes in British comedy over the last quarter of a century