I caught a few of those episodes, both PBS and the high-octane one.
I agree. I detest "audience" type shows and hate having to sit through fake applause. It is one of the reasons I tape dr. oz--so I can whip through the garbage portions.
After watching martha make mayo, I will never buy store bought again...for the price of a dozen eggs, I can make more mayo than I know what to do with and I always have eggs on hand! Especially considering that if you buy mayo, it is almost $4.00/jar unless you wait for big sales.
Thoreau said, 'A man is rich in proportion to the things he can leave alone.'