Is there anything in the world that’s better than a Liz Lemon flashback? No. Except for Liz Lemon’s hair in a Liz Lemon flashback. As Jack would say, these were the days before “the ugly duckling” turned into “a vaguely ethnic swan.” That’s what we have to thank our friends over at Vulture for putting most of them together in one place (we kept waiting for that high-school telescope scene from “Reunion,” but unfortunately no dice). Click through and enjoy the montage.