Video clips
Alan Davies: As Yet Untitled - Matt Lucas where did Vicky Pollard come from?
Matt Lucas reveals what inspired him to create Little Britain's Vicky Pollard.
QI - Demonstrating Pythagoras' theorem using a clever gadget
Stephen Fry demonstrates Pythagoras' theorem to Susan Calman, Sandi Toksvig, Aisling Bea and Alan Davies using a water filled model.
Alan Davies: As Yet Untitled - Alan's horse porn story
Alan Davies talks about the time he found a dodgy picture on a colleague's computer.
QI - Brown headed brood parasite
The panel discuss the Brown-headed cowbird and brood parasitism.
QI - Mammary mountains
The comedians chat about places named after mammary glands.
QI - Paper-folding
Jeremy Clarkson is astonished at some special folding paper, and Stephen Fry performs a trick with a tissue.