Sandi Toksvig, Alan Davies and a host of comedy stars swap funny facts on every subject under the sun. It doesn't matter if they're right, as long as they're quite interesting.<br /><br />#BBC #QI #BBCiPlayer<br /><br />Watch QI on iPlayer<br /><br />All our TV channels and S4C are available to watch live through BBC iPlayer, although some programmes may not be available to stream online due to rights
