You've *got* to be kidding.
By fast forwarding through commericals I can watch an hour show in 45 minutes. Because of the time savings, I seldom watch shows when they are on.
If my life is that busy that I need to shave 15 minutes off of shows I actually like to watch, then it's time to re-evaluate just WTF is going on in my life and stop it before it gets that out of hand in the first place.