Choushinsei Flashman

 is the tenth installment in the Super Sentai metaseries produced by Toei Company. It was broadcast on TV Asahi from March 1, 1986, to February 21, 1987 with 50 episodes.
It was the first Super Sentai series that introduced a second giant robot.
Yutaka Izubuchi designed all the characters in the series. He would return to design characters for "Tokumei Sentai Go-Busters".
Storyline.
In 1966, five children were kidnapped by an alien group known as the Alien Hunters for the Reconstructive Experiment Empire Mess, who wanted samples of humans from Earth to experiment on. The children were rescued by Mess' arch enemy, the Flash alien race, which took each one to a different planet of the Flash solar system for training. Each of them was trained separately in a range of superpowers that will allow them to fight Mess, their bodies also adapted to the atmosphere of the Flash Solar System making them gain special abilities. When they finally return to Earth in 1986 to combat Mess, who is now trying to invade it, they use the opportunity to search for their birth parents.
Characters.
Flashmen.
Raised in the harsh conditions of Planet Flash and its four moons, gaining powers in the Flash Star System, the Flashmen were brought up for the purpose of defeating Mess. The team can execute team attacks like the "Combination Super Spear", a large energy spear created from the combined powers of the Flashmen.
Reconstructive Experiment Empire Mess.
The takes over planets, using their lifeforms as raw materials in its experiments. Their goal is to transform its leader Ra Deus into the strongest being in the universe through repeated bio-augmentation. Their base of operations is the UFO-like spaceship called Labo. 
International broadcasts.
The series was broadcast in Brazil under the title "Comando Estelar Flashman" (Star Commando Flashman) in Rede Manchete. It was broadcast in Ecuador on Ecuavisa, in Peru on Panamericana Televisión and it was broadcast several times over many years in Bolivia on RTP. The dub in Spanish was made by Alamo, the same company which made the Portuguese dub, and it was named "Comando Estelar Flashman", as in Brazil.
It was also broadcast in South Korea as "Earth Protector Flashman" (지구방위대 후뢰시맨, Jigu Bangwidae Hureoshimaen). The series was also broadcast in Thailand on Channel 7.
The series was broadcast in France on TF1 as "Flashman" and was dubbed in Malay as "Flashman" on TV2 Malaysia Channel in 1994.