Voltron: Defender of the Universe

"From days of long ago, from uncharted regions of the universe, comes a legend; the legend of Voltron, Defender of the Universe, a mighty robot, loved by good, feared by evil. As Voltron's legend grew, peace settled across the galaxy. On Planet Earth, a Galaxy Alliance was formed. Together with the good planets of the solar system, they maintained peace throughout the universe, until a new horrible menace threatened the galaxy. Voltron was needed once more. This is the story of the super force of space explorers, specially trained and sent by the Alliance to bring back VOLTRON, DEFENDER OF THE UNIVERSE!"
The story revolves around five young space explorers who defend the planet Arus and the entire universe from evil King Zarkon ,ruler of Planet Doom ,his son Prince Lotor ,and Hagar ,evil witch. The series was produced by World Event Production ,and based on japanese series which was edited and dubbed to English by Mark Handler.

Spin off: Voltron: The Third Dimension