The story of BIMA Satria Garuda begins in the Dunia Paralel ("Parallel World"), a world which is ruled by VUDO Empire and is on the verge of collapse. The Parallel World is a world that lives in perpetual darkness, where nature has no source of life because of VUDO's ambitions for power. Rasputin is the evil and cruel lord of VUDO. He wants to find another world, to seize its natural resources to revive the Parallel World and expand VUDO's powers. Two scientists on Earth manages to create a portal that connects the Earth and other galaxies, which on VUDO's advantage finally reveal a target world that can be seized. Ray Bramasakti is given the Power Stone Merah ("Red") from a mysterious young man named Mikhail to stop Rasputin and VUDO's evil attempts to take over Earth. By possessing the Power Stone Merah, Ray has the power to transform into BIMA, the Garuda Knight.

The story of Satria Garuda BIMA-X starts after the First Season, which tells the story of Dunia Paralel ("Parallel World") ruled by the Kingdom of VUDO, and the failed effort of its evil ruler, Rasputin, to take over the Earth's resources to feed his power ambitions and to prevent further planetary destruction of Parallel World. Rasputin was defeated by the combined power of two Satria Garuda ("Garuda Knight") brothers, BIMA and Azazel. After Rasputin's defeat, enter a mysterious godly figure as the new ruler of VUDO who holds the title of Black Lord. Ray Bramasakti must use all his strength as Satria Garuda BIMA with his brother, Reza, the Satria Garuda "Azazel" to protect Earth and mankind from the evil forces of the new VUDO.