when you are ready to go somewhere or to do something, you may say I'm ready or you'd better say I'm all set, I'm good to go. "Yes, I'm all set" means "Yes, I'm ready". I'm all set" emphasizes that you are done watching the series for now. In sum, there is the standard meaning of all set referring to being ready or prepared. Ready, prepared, equipped (idiomatic) Ready, prepared, equipped. I'm all set to leave for my vacation. Are you all set to go meaning Ready, in position for some action, as in I'm all set to leave the country. This colloquial term uses set in the sense of “put in proper position or order.” The same meaning appears in the traditional Ready, get set, go for starting a race; here set means “in position to start.”
