Answer: Finale/Reprise
Aha here's a twist, he, he, he. Ahem, anyway, this is near the end where it starts to snow in Halloween town. This is the first line in this song, and different Halloween character are singing it. They have never seen snow before, and they soon discover that they like it. Every one is happy. Jack is back and ready for next Halloween, Santa is flying away to save Christmas, and as a present for Halloween Town, he makes it snow. Soon Jack will see Sally walking away by herself.