Interestingly enough our Blast was given an offer I believe to be one of the "contestants" on the second season of The Colony. Blast's a Ph.D in Organic Chemistry (I think that's the one), is well known in his area for his prowess in regards to Wild Edibles.
Physical Organic chemistry, actually.
They offered me $10,000 for ten weeks of my time on the second season of The Colony but I had to turn them down.
As for good shows:
Rough Science Imagine PBS doing "The Colony" using only scientists and engineers.
Scrapheap Challenge (aka Junkyard Wars)-Blast