Right, I didn't even include his standup & albums in the discussion with Spurs, it seemed like he wanted to talk about TV.
The answer to "Why is there air?" - to blow up volleyballs, footballs, basketballs, etc.
I went to a garage sale a few years ago and this guy had that CD and a bunch of other old Cosby CDs for $2 - 3 each, mint condition. SOLD! You can't find those in stores.