The 50th anniversary celebration of “Saturday Night Live” is so big, it’s not even on Saturday. Airing Sunday and spanning three hours, the live “SNL50: The Anniversary Celebration” will assemble a dream team of stars who have helped the show become an enduring pop culture force.

NEW YORK (AP) — Tune into the Oct. 11, 1975 premiere episode of “Saturday Night Live” — then without “live” in its name — and you may be instantly surprised at some of the bones of the show that are still intact today.

Live" celebrates its 50th anniversary this weekend, it's likely many viewers won't tune into NBC's "SNL50" special at all, instead discovering clips via YouTube or social media. Why it matters: Late-night TV is a tough business these days,