It is the 25th century. The dark lord has 'infected' history with time-devices that could damage history beyond repair. Flint and his father lived in the prehistorics when they got turned into fossiles. They are discovered and Flint ges turned back to his original state. With the help of his father, a boy Tony and a girl Sara he has to travel trough time to bring the time-devices back to the land of time so history will be saved.

Mako, Miko, and Mutsuko are three young girls visiting St. Claire Elementary, a school filled with strange legends. They have an abrupt encounter with Kunstrijk, a human body anatomy model, and Goth, a skeleton model. Both haunt the soon-to-be-demolished science room. Seeking revenge for being vandalized by the three girls, Kunstrijk invites them to the school's midnight party in order to scare them. Together, the five go on a quest to collect three mythical medals that can grant a wish and hopefully save the science room.

The young Kimball Kinnison is leaving home for a wider education when a Galactic Patrol ship crashes on his family's land and the dying pilot gives him a mysterious Lens. Half-sentient, the Lens now implanted in his hand becomes the focus of changes in Kim's life including his father's death, a space battle, and an encounter with Galactic Patrol nursing officer Chris. Impelled by the Lens, he discovers a new world of experiences opening before him and he risks his life to save Chris and the Universe. (Source: AniDB)

A technological hell masquerading as paradise, Tsukimihara Academy is an artificial high school that serves as the setting for the next Holy Grail War. Created by the Moon Cell computer, the school is inhabited by Earth-projected souls who have even the slightest aptitude for being a "Master." Of these 256 souls, 128 will be chosen for the main tournament and granted a Servant. With all of the Masters selected, the Academy activates a purge, targeting the remaining lifeforms for elimination. Awakening in a pool of his own blood, Hakuno Kishinami refuses to die. Fueled by unknown feelings of hatred, he vows to fight for survival. As he struggles to escape from a relentless pursuer, he finds a crimson blade plunged into the ground; and by pulling it out, Hakuno summons his own Servant, Saber, who instantly destroys his pursuer in a flurry of rose petals. With his newfound power, Hakuno must now begin his journey to Moon Cell's core, the Angelica Cage. There, he will unveil the reason for this artificial world and the secrets of his own blood-soaked past. [Written by MAL Rewrite]