DICE (DNA Integrated Cybernetic Enterprises) is a large organization established to deal with problems in the Sarbylion galaxy. DICE F-99 is the only unit comprised entirely of children. When a problem arises, DICE is called to the rescue. And when their special training and skills aren`t enough, they rely on their Dinobreakers, which can transform from Vehicle Mode to Dino Mode, to help get the job done! Always on call, always on alert - DICE is ready for action! (Source: AniDB)

The Persona Century Corporation has purchased nearly every parcel of land on earth. Dissension is not tolerated within the corporation's borders and those who oppose Persona are dealt with swiftly. Of those few places not yet under Persona's control is the free town of Kabuki-cho, also known as "The Dark Side of Tokyo". Within the town, under the leadership of a woman named Mai, is a small resistance group called Messiah. Into this world steps a man who takes the sobriquet of Kabuki-cho: Darkside. Sealed up in another dimension eighteen years ago by Persona Century, Darkside now returns to aid Messiah using his unique mystic power of renewal.

A young mystic without a past, Kujaku was born under a dark omen possessed of incredible supernatural powers. Raised by priests, he has learned to use these powers for good. But the evil Siegfried von Mittgard seeks to steal his birthright, and rule the world as the Regent of Darkness. He has dispatched bloodthirsty minions to destroy Kujaku before he can awaken to his destiny. Now, Kujaku must unravel the riddle of his past, before the power within consumes him!

The pilot for GR: Giant Robo. However, there were significant changes between the pilot and the actual show, including a different writer and a different director. Thus, the special is less a promo for the series than an alternate version of how the series might have looked.