This is off the scale nuts, from - you guessed it - Endemol:
http://news.independent.co.uk/media/article327528.ece
Precis:
Nine "suggestible" contestants (a.k.a. idiots) are to be fooled into thinking they are being trained at a Russian cosmonaut school. They'll then be duped into thinking they've been sent into near-space orbit to carry out experiments for a few days.
This is clearly bonkers. And if any of them twig it's a wind up, it could lose Endemol millions.