《守护月天》是由东映动画制作、贝泽幸男执导的日本电视动画，改编自桜野みねね的同名漫画，于1998年10月4日在朝日电视台首播，共22集。2000年推出8集OVA续作。作品围绕中学生宫田太助因获得古代法器“支天轮”而引发的一系列奇幻事件展开。守护精灵小璘与破坏精灵庆幸日天汝昂围绕“幸福”定义展开对抗，在制造混乱的同时也与太助逐渐产生情感羁绊。

TV版以喜剧为核心基调，通过精灵间的冲突推动剧情，融合奇幻冒险与日常生活的反差感。

Yugi Muto, a shy boy who loves all kinds of games, one day solves an ancient puzzle known as the Millennium Puzzle, causing his body to host the spirit of an ancient pharaoh.

Kindaichi, Miyuki and Fumi are invited to the resort of the Deep Blue Island by their senpai Akane, the daughter of the president of the Aizawa Group. A group of criminals infiltrate the hotel diguised as waiters to kill the members of the Aizawa Group. The criminals don't know their boss in person, and they don't know either that he's in the hotel with the members of the Aizawa Group.

Invited to a wealthy client's mansion, time-traveling witch Yuko and her companions arrive to find a group of collectors assembled to participate in a mysterious auction. And the mystery only deepens when the collectors go missing one by one. As more guests disappear and strange occurrences abound, Yuko and her friends realize they must solve the mystery before they vanish as well.