The Chojin Crown, the tournament which Mantaro (Kid Muscle) reluctantly participates in. After going along with the obstacles (most of which were created to try and eliminate him), he qualified. (Source: Wikipedia)

During a monster attack on the city, which is something that happens quite often, Silk and her two friends try get close to the attacking monster for a better view. An unfortunate choice of location to watch from leads to UFO-man, the city's giant protector, to land on the girls crushing them to death. Feeling sorry, UFO-man blames their death on the monster and promises to bring Silk and her friends back to life by lending them his power but the catch is that they now have to become the city's protector as well. (Source: ANN)

Haruka finds a cat in an abandoned building and names it Nyan. Little does she know that this cat is actually Ultra-Nyan who has come from outer space. Using his mysterious powers, Ultra-Nyan helps Haruka and her friends foil the plans of a couple of no-good catnappers.

The story is about 16 years old boy Takeshi who recently formed an American football team at the BlueSky orphanage. One day the game is interuppted by a light in the sky. Takeshi discovers he is the son of the king of the planet Apolon, spirited away to Earth by his father's retainer Rabi to avoid death at the hands of General Dazaan. He turns out to have special energy abilities which can control UFO saucers from under the ocean floor, which in turn can become robots that are synchronized to their movements. (Source: Wikipedia)