Featuring: The BBC backroom boys: the programme planners The Clissold Saga [part 1/5]

Featuring: Isambard Kingdom Fortinbras, inventor of the doorknob The BBC backroom boys The Clissold Saga: The aviator [part 2/5]

Featuring: BBC sound effects department The Clissold Saga: A pantomime horse [part 3/5]

Featuring: Robert Capability Lackwind, inventor of toad in the hole BBC censorship department The Clissold Saga: Egyptology [part 4/5] Rentachap (Julian and Sandy)

Featuring: Richard Serendipity Mountbasket, inventor of the Christmas Pudding BBC personnel department: Gruntfuttock applies for a BBC job The Clissold Saga: films [part 5/5] Gent’s Boutique in Chelsea (Julian and Sandy)

Featuring: Tammany Wilkinshaft, inventor of the crumpet BBC complaints department Inspector Horne's casebook – The Tap-dancing Monk Bona Bistro (Julian and Sandy)

Featuring: Nemesis Fothergill, Ornithologist BBC audience research department "Edwin Braden Is Missing": Horne investigates Bona scriptwriters (Julian and Sandy)

Featuring: Edwin Chattleforth, inventor of forced meat BBC auditioners 'Who killed the Amazing Proudbasket? Private Fever – Noël Coward parody Bona Tours (Julian and Sandy)

Featuring: Friar Wacker Biscuit, inventor of the hip bath The Spy Who Came in with a Cold: Kenneth Horne meets Chou en Ginsberg Bona Bouffant (Julian and Sandy)

Featuring: Gruntfuttock, King of Peasmoldia Kenneth Horne, Master Spy: Famous People Are Turning Into Animals Rambling Syd Rumpo

Featuring: From Russia With Love and Kind Regards to Auntie Mabel Blithe Laughter Bona Homes, estate agents (Julian and Sandy)

Featuring: Kenneth Horne, Master Spy: The Man with the Golden Thunderball Bona Homes and Landscape Gardens (Julian and Sandy)

Featuring: Dictator ex-King Gruntfuttock Special agent Kenneth Horne probes a pirate invasion of the BBC It's a Lovely Day Today Irving Berlin Studio Bona photographers (Julian and Sandy)

Featuring: Special agent Kenneth Horne investigating a Rocket Site in Haiti Bitter Laughter Nice Work If You Can Get It George and Ira Gershwin Bona Seats, ticket agency (Julian and Sandy)

Featuring: Kenneth Horne, Special Agent: Traffic wardens in outer space Forbidden Encounter This Can't Be Love, Rodgers and Hart Bona Productions: melodramas (Julian and Sandy)