Chikyu Sentai Fiveman

 is a Japanese Tokusatsu television series. It was Toei Company's fourteenth installment of the "Super Sentai" metaseries. It aired on TV Asahi from March 2, 1990 to February 8, 1991, with a total of 48 episodes. The name given by Toei for international distribution is "Sky Rangers".
Plot.
In 1970, Doctor Hoshikawa was researching how to transform the planet Sedon into a green, lush world, testing it by attempting to grow flowers. On the day the first flower bloomed, the Zone Empire launched an assault on the planet, separating him and his wife from their five children. Arthur G6 took the five children back to Earth and raised them while after the attack, Doctor Hoshikawa is safely went to Planet P16 Milky way.
Twenty years later, the five are now teachers at the same school, the Newtown Elementary School (Newtown Shougakko). The Galactic Imperial Army Zone led by Empress Meadow and Captain Garoa now prepares to invade Earth as its thousandth target to destroy for immortality of Empress Meadow (but later reveals that Empress Meadow is an illusion used by Vulgyre, their base which is also a gigantic lifeform monster to manipulate them in order to be a "god"). As they begin the attack, three vehicles appear and counter the offensive. Five warriors descend from the vehicles and confront Zone.
The Hoshikawa siblings have been developing the Fiveman technology and training hard upon the possibility of Zone invading Earth. Now the five siblings are ready to battle with the familiar foes as Fiveman.
Characters.
Fivemen.
The Fivemen are the first Super Sentai group to consist of entirely siblings. The five siblings of the Hoshikawa family (three brothers and two sisters), separated from their parents during a sudden Zone attack, sent to board a ship along with Arthur G6 to be raised and learn of the Fiveman technology. They pose as teachers at New Town School, planting a garden of Sidon Flowers which they brought from planet Sidon.
Group Techniques.
However, Five Black and Five Yellow also uses Twin Action as Finisher (Episode 5 and 36) and once with Five Blue (Episode 14)
Silver Imperial Army Zone.
The is an alien army plotting to rule the entire Milky Way, it flies across universe attacking worlds with its Galactic Warriors. Earth will be its 1,000th destroyed planet, at which point Meadow will gain eternal life. They operate from their ship Vulgyre and can send smaller battleships called . They use the Galactic currency Dolyen (combination of dollar and Yen) which is said to be equal to 100 Japanese yens.
Philippine Cast from 1994-1995.
In the RPN-9 version their Japanese names are renamed except the villains while in the TV5 version both Gaku and Fumiya are renamed as Manabu and Fumio except Ken, Remi and Kazumi and the names of the villains are maintained. So far, here are the voice cast in the TV5 version.
Voice Actors.
Arthur G6 - Bambam Labalan
Appearances in Power Rangers.
FiveYellow's suit was adapted into the Power Rangers Megaforce episode "The Wrath" as the Yellow Supersonic Ranger. The entire Fiveman team appeared later in a comic story "Power Rangers Supersonic" which is in the Boom! Studios "Power Rangers Year Two Deluxe Edition". In the story, the team is composed of Ace (Red Ranger), Star (Pink Ranger), Gent (Black Ranger), Pyre (Yellow Ranger), Brute (Blue Ranger) with a Green Ranger named Trek being added to the team. They are also aliens from the planet Xybria. Trek betrays the team and murders them. He would later become Psycho Green the first Psycho Ranger.