Video clips
QI - Can animals make jokes?
Stephen Fry tells a joke about a parrot.
QI - Guess the optical object
Alan Davies, Jo Brand, Josh Widdicombe and Phill Jupitus are shown old optical devices and have to guess their purpose.
QI - What was the charge for the world's first charity single?
The panel are played an ancient recording of a bugle playing the order for the doomed Charge of the Light Brigade.
QI - Guess the last line of the limerick
The comedians talk about limericks, and Alan becomes angry at how bad Edward Lear's were.
QI - The Leidenfrost Effect
Stephen shows how beads of water react to specially shaped hot metal.
QI - How does a pufferfish attract a female?
Stephen Fry and his guests discuss the rules of attraction for pufferfish.