A camera trick used at the end of an episode or movie, wherein the view pans up to the sky upon conclusion of a story arc. The characters usually look up along with the viewer, too, or are implied to.
The sky is a powerful symbol in itself. Here are just a few uses:
Clear blue sky (white clouds optional) promises happiness and freedom, just the things you expect from a Happy Ending.
Stormy, [...] [tvtropes.org]