It's the complete second season of The Ricky Gervais Show - six episodes in one tidy package. It's packed full of all-new drivel, as Ricky and Steve Merchant forage through the long grass of Karl Pilkington's brain.

In this episode we ask the question, "What is art?"; Karl offers his thoughts on Hirst's oeuvre; Practical considerations regarding art in the home; Karl through the looking glass; Primeval paintings; Gratuitous graffiti; Sculptures in the Square; Karl on political works of art; Karl on film; Outsider art; Whistler's mother-in-law; Music - from Vaughan Williams to Whittaker; Shakespeare's plays on words; Harry the war poet.

This is the second in a new series of definitive discourses exploring the diversity of human enterprise. As always, Ricky Gervais and Steve Merchant are joined by shaven simian, Karl Pilkington. In this episode, NATURAL HISTORY, we explore the awesome beauty inherent in the natural world. Drawing on observations by eminent biologists, from Thomas Huxley to Charles Darwin to Richard Dawkins, Ricky Steve and Karl offer their usual benighted summation.

In this episode: Karl harks back to halcyon days; Ritzy crackers; the archetypal Englishman; weddings; Karl on cafe culture; help the aged; Ricky's royal etiquette; dung beetles and dead badgers; fair play and the crossbow; dragon slaying and tongue-grabbing; Steve's spectacles; and Ricky reads a Brooke.

Ricky with comedian chums and eminent guests discuss the big issues. Entertaining, thought-provoking and often taboo-crunching chat about ethics, science and art. Featuring Huey Morgan, Ben Bailey Smith, Professor Brian Cox, David Baddiel, Robin Ince, Richard Dawkins, Noel Gallagher, and Sean McLoughlin.

Ricky with comedian chums and eminent guests discuss the big issues. Entertaining, thought-provoking and often taboo-crunching chat about ethics, science and art.

In this episode: Karl's great escape; Capital punishment - an exhaustive debate; Karl's confectionery confession; Steve invites trouble on the tube; Ricky discovers a useful guide to the ten commandments; Steve's anti-mugging strategy; Ricky's bullion robbery and Karl's daylight robbery; The Bodyguard, followed by The Negotiator.

In this episode: Athenian democracy and arboreal investments; Karl on road safety; President Pilkington's pronouncements; Malthusian musings; Karl's adoption agency; the ins and outs of organ donation; social injustice on the busses; morality and entomology; Karl's Luddite attitude to plate sanitation; euthenized ensifera; social orthodoxy at the orthodontist's; and splenetic etiquette.

In this episode: The unsightly face of social evolution; vestigial destiny of the digitus minimus manus; Karl has Google on the brain; Karl's starter for 10; Karl gets disorientated; Forwards looking foreword - teeth, pants, specs and predictive spelling; Steve's plans for the End of Days; Chaos theory reinvented; Ambitions unfulfilled; Karl takes the path less trodden; Shop Idol; and Britain's Got Chiropody.

In this episode we ask the question, "What is art?"; Karl offers his thoughts on Hirst's oeuvre; Practical considerations regarding art in the home; Karl through the looking glass; Primeval paintings; Gratuitous graffiti; Sculptures in the Square; Karl on political works of art; Karl on film; Outsider art; Whistler's mother-in-law; Music - from Vaughan Williams to Whittaker; Shakespeare's plays on words; Harry the war poet.