进入21世纪已有近20年，在人们已忘记了妖怪存在的现代。
科学无法解明的现象频发，流言飞语散布各处，大人们只能疲于奔命。
希望想办法解决这一情况而写信给妖怪信箱的13岁少女·真奈的面前，
随着咔哒咔哒的木屐响声，鬼太郎来到了…。

Dr. Raichi is one of the only survivors of the Tuffles, a race that once lived on Planet Plant before the coming of the Saiyans. The Saiyans not only massacred the entire Tuffle race, but also stole their technology and conquered the planet, renaming it Planet Vegeta in honor of their king. Raichi managed to escape with a capsule and found refuge on the Dark Planet, a world at the end of the universe. His only wish is to eradicate the last remaining Saiyans.

Following the defeat of Majin Buu, Son Goku and friends travel to Mr. Satan's newly-opened hotel for an all-you-can-eat banquet, when they are paid a visit by Vegeta's younger brother Tarble. They are informed by Tarble that the terrible brother duo of Abo and Cado have terrorized his planet and are on their way to Earth.

A spin-off scenario taking place after the events of the TV special Dragon Ball Z: Bardock - The Father of Goku, in which Bardock survives the destruction of Planet Vegeta and is sent into the past, combating Frieza's ancestor Chilled and turning into a Super Saiyan.

Jaga Bada, Mr. Satan's old sparring partner, has invited Satan to his personal island to hold a grudge match. Trunks and Goten decide to come for the adventure and Android #18 is following Satan for the money he owes her. Little do they know that Jaga Bada's scientist have found a way to resurrect Broly, the legendary Super Saiyan.

小学生龟山则安（南央美 配音）有每天写日记的习惯。心想在学校里一些真实的事情写出来，也没人会看见也不害羞。这天他发现日记被妈妈龟山安江（松井菜樱子 配音）和妹妹龟山玉江（间宫くるみ 配音）偷看了，小秘密被曝光了则安觉得很丢脸，于是他就改成写说谎话日记，被偷看了也不丢脸。他先写了妈妈的头伸长，结果妈妈的头真的伸长了，吓得他赶紧擦掉，妈妈恢复了原样。后来写了晴天有猪，结果又实现了，他赶紧擦掉还漏擦一只小猪，可是小猪回不去了。这只小猪是从天空降落下来的外星球小猪，有着非常神奇的惊人能力，聪明讨人喜欢，它能把则安写的和心里想的都能变成现实。则安给它取名叫晴天小猪（金井美香 配音），成为他们家庭一员，之后，这只不寻常的晴天小猪，继续给则安和他的家人带来更多的惊喜......

相田爱在老师的信赖下，成为了大贝第一中学学生会会长。在一次社会科的户外活动，她和同学来到地标建筑四叶塔（Clover Tower）参观，一路上忙着照顾众人。就在她终于可以停下来，期待展望台的景色时，巨大的怪物“自我中”突然出现，引起了庞大的混乱。不甘旁人被伤害的相田，遇上了扑克牌王国的精灵夏露露，倚靠不可思议的饰物能量，变身成为光之美少女－－心天使。随后其青梅竹马六花和小学玩伴有栖亦加入光之美少女的行列，誓要一同要把失去“爱”的怪物彻底净化。

运动万能、拥有正义感，在班上最受欢迎的美墨莎莎。成绩优秀，永远是班上的第一名，但其实有点天真的雪城乃香，两人同是就读菲诺奈学院女子中学部二年级的学生。某一天，莎莎和乃香各自遇见了不可思议的神奇生物美波和米波，他们由于故乡光之园遭到邪恶的攻击，因而逃到虹之园来。
然后，莎莎和乃香被美波和米波赋予神奇的力量，携手变身成光之美少女“Pretty Cure”。
性格和兴趣都完全相反的两个人将同心协力，和来自闇之领域的邪恶敌人展开战斗。