Do you know where IrnBru really comes from? #QI #iplayer

Subscribe and to the BBC https://bit.ly/BBCYouTubeSub
Watch the BBC first on iPlayer https://bbc.in/iPlayerHome

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. #QI #iplayer

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. If you would like to read more on what types of programmes are available to watch live, check the 'Are all programmes that are broadcast available on BBC iPlayer?' FAQ https://bbc.in/2m8ks6v.