When college student Keiichi Morisato dials the wrong number while ordering for some food at his dormitory, he accidentally gets connected to the Goddess Hotline and a beautiful goddess named Belldandy appears out of a mirror in front of him. After getting kicked out of the dorm, Keiichi and Belldandy move to an old shrine and soon afterwards, Belldandy's sisters Urd and Skuld move in.

Episode 01: Rito becomes a Woman Lala invents a gizmo to make her bust bigger. However, this invention of hers accidentally turns Rito into a woman. Episode 02: Rito and Mikan Feeling lonely because Rito is always spending time with Lala, Mikan storms out of the house. While Rito and Lala are out looking for her a few flashbacks from the past, showing Rito and Mikan as kids, are shown. Episode 03: Welcome to the Southern Resort!! Haruna wins an island resort trip for ten females. Rito gets turned into a dog by one of Lala's inventions and somehow ends up on the island as well. Episode 04: Trouble Quest Rito and the girls become trapped inside an RPG game where the objective is to save Lala and defeat the evil witch Kyouko. Episode 05: Nana and Momo Lala's sisters cause mischief for Rito and his harem at a cherry blossom viewing. Episode 06: Draft, Metamorphose, Hand & Tail Yami and Yui confront with a senior, causing Yui to lose her panties. Mikan finds Peke taking snapshots of new clothing while shopping. Suddenly, a stranger steals her bag. As Rito tries to explore Lala's cleaned-up bedroom, he accidentally activates one of Lala's invention, fusing his hand to Lala's tail.

Ever since his powers awakened, Tenchi Masaki has attracted the attention of many powerful galactic beings, including the mysterious Lady Takami who dispatches her best warrior, Z, to observe him. Though he is under strict orders not to harm Tenchi, Z has no intention of playing by the rules and begins plotting his demise. Meanwhile, on Earth, Tenchi tries to piece together more information about his family and the universe. But as usual, his life won't be getting any easier, as his entire household enters a state of panic when Noike Kamiki Jurai—a woman claiming to be Tenchi’s fiancée—shows up out of the blue. [Written by MAL Rewrite]