Video clips
QI - What do marmosets have in common with cheese?
The panel discuss the different words people say when having their photograph taken.
QI - Queen Victoria was wider than she was tall
The panel discuss Queen Victoria's rather large waistline.
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.
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.