Do Pretty Girls Fart? »
This unaired MythBusters clip about (pretty) girls farting did "air" in the UK. It is entitled "Facts About Flatulance - Do Girls Pass Gas?" and sexy Kari Byron is the mythtern which becomes the fart target of this experiment.
(http://www.youtube.com/watch?v=RHcDP_Yew-g)
The quality is low, but the content is high with the most amusing part being Kari's embarassment. If you know of a higher-quality version I can link to, please contact me.