Three generations of the Benefit family disrupt a peaceful library; the elderly Beatles attempt to escape hoards of old lady-boppers; the Dragons' Den considers a pitch for a new British pudding supplement; and the duo revisit the famous diner scene in the Thirties original of When Harry Met Sally.

Pik, the friendly but stupid South African gym instructor, has a new American friend and England play Paquador in an important international football match.

The surgeons return to their youth as members of the Cambridge Footlights, the American cops get arrested, and Marcus meets his match in his 'I Saw You Coming' shop.

This episode features a 1930s' version of Basic Instinct and Tony Blair starting a new job in the City.

New characters including Kenny Leyton the hopeless boxer, man in the kitchen Jasper Hazelnut and Seventies throwback the Barbican Man, as well as established faces Didier Peskovitch, Jose Arrogantio and Nelson Mandela.

Gillian and Gerald take us on a tour of The Royal Henley Northerner Show 2008, while Nelson Mandela has an encounter with Margaret Thatcher. Also, Simon continues his efforts to charm Magda in Cafe Polski - will he finally get the girl?

Jimmy Snazzbox MBE, a prolific television writer in the 1970s, waxes lyrical about his hit series Omni-busses; Alan Sugar meets the Dragons; and just where is Dave going?

There's a visit to an island owned by Jeremy Clarkson and the genial American tourists meet a British politician.

Harry and Paul re-invent themselves as Ricky Gervais, and the 1930s movie original of The King's Speech is unearthed along with 'Sherlock On The Buses'.

Harry Enfield and Paul Whitehouse star in a sketch show, joined by Morwenna Banks and Laura Solon. Characters include the Posh Scaffolders and the High Ranking Surgeons.

Featuring the Posh Scaffolders, Bono and The Edge, Nelson Mandela, Can't Back Down, Pik, the Surgeons, Madonna and Guy, the Computer Billionaires, the Clean Chavs, the Divorcing Couple and I Saw You Coming.

Ken and Bryan have an acrimonious split in the Dragons' Den, and we meet the surgeons' 19th-century ancestors.

Harry Enfield and Paul Whitehouse return in their BAFTA award-winning sketch show with new characters and old favourites. Featuring Victoria Wood.

Harry and Paul return for more character comedy.