OMG that animated advert logo thing just looks so bad cheesy 80's on speed (imagine the trippy neon animated strips that formed numbers on Sesame Street gone hyperactive with some Toejam and Earl influence)
I'm not epileptic but that gave me a headache watching them on teh BBC site
EDIT: Youtubed!
http://www.youtube.com/watch?v=QorkoY1sVt4
the diving scene causes the epilepsy fits the most apparently