@rfherald You are correct that there is quite some extreme physical feats in the program. I'm never going to try to climb a rope over a chasm up to a subway car either! My take-away was more the way of thinking about aging. He is doing some extreme things, which I'm sure are somewhat for good TV making, but the message I took away is 1) finding motivation for a healthy lifestyle and 2) acceptance that aging is coming our way even in the most healthy circumstances. The balance between the two (motivation for health vs. inevitability of aging) is one I enjoy pondering and one that I appreciate hearing the series discuss. I hope that others may express their take-aways here if they see the series or have already seen it..