Video clips
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.
Alan Davies: As Yet Untitled - Christmas Eye
Colin Lane talks about a horrible injury.
Alan Davies: As Yet Untitled - Penguin
Isy Suttie talks about making a penguin.
Alan Davies: As Yet Untitled - Old Jobs
Marcus Brigstocke talks about one of his old jobs - working on an oil rig with an indecipherable Mackam.