[1] It was produced by Famous Studios for the Stereotoon series featuring Casper the Friendly Ghost and distributed by Paramount Pictures.
He encounters a man saying "see the wonders of the Moon for ten cents", and offering a sight through a telescope.
Casper escapes his cage, and helps the Moon Men by going underground and tying the trees' root feet together so they can't attack.
After the Moon Men win the battle, King Luna knights Casper for the valiant defense of his people.
The opening sequence from There's Good Boos To-Night is seen on some public domain copies which is lifted from flat video prints.