The peace of the world is suddenly threatened by Mogool, which is located on the bottom of the sea. Helqeen, tyrannical master of the Mogoolian Empire, attempts to conquer the earth with her faithful companions Goroskie and Zan-gack. In order to frustrate their ambition, Dr. Yuri, who predicted this horrible occasion, organizes four powerful robots to form the Blocker Corps! He also gathers four members who have the super ability known as "elepath" - a talent for maneuvering gigantic robots. A fierce battle begins between our Blocker Corps and Mogool at the risk of their lives! A series of fantastic and fabulous battles unfolds. (Source: Nippon Animation)

An end-of-year special, aired between episodes 84 and 85.

Shinjuku, 1983. A member of the Kaeda Yakuza gang, Akutsu Jouji, has lost in a brawl with a university cheering squad, and begs for forgiveness through bitter tears. Since then, nothing has gone well in Jouji's life, until 10 years later in 1993, his friend was ordered to kill him, and as he ran away he killed himself, ending his miserable life. But when Jouji opened his eyes, he was in Shinjuku in 1983, at the fight with the university students that caused things to go wrong. Now with ten more years of memories and experience, Jouji repels the university students with spirit and wisdom. Now he swears to wear a gold emblem around town, and begins his life anew.

Led by scientist Tatsuya Randou, the Randou family undertakes a journey around the globe in order to search out ancient ruins to uncover the legend of Quetzalcoatl, which unlocks the key to a fabulous treasure. However, tailing the Randou family is Gopurin, an evil organisation that covets the legendary treasure for itself. The Randou family has the secret weapon of super robot Acrobunch. It becomes a race around the world of who finds the treasure first. (Source: Wikipedia)