For once we got the TV show before you folks did! Probably because it is our summer (and non-ratings period) Down Under and this came in at the beginning of our non-ratings period end of last year. We made a point of watching it, tried to get difficult child 3 to watch it. difficult child 1 wasn't home, I don't think, but although he's nowhere near Daniel's league he does have a prodigious long-term memory (to compensate for not having much of a short-term one).
The Poms are fascinated with him, and rightly so. So are our people. And that feat of learning Icelandic - very interesting. difficult child 3 is learning German right now (not at the same speed!) and I think the logic of the language is what is appealing to him and making it easier.
Thanks for posting this link. I'd like to see more TV programs like this, with further studies and discussion. ANYTHING we can find out...