Cascade is a location that appears in the anime series Sonic X. It is a planet that exist within Sonic's home universe. It is home to a different group of humans, who appears to be several times more technologically advanced than even those on Sonic's planet, who are in turn more technologically advanced than the humans on Earth.
Cascade was once a beautiful planet. However, one day, the Metarex came and stole the Planet Egg, causing the planet to slowy die. A Resistance fought Pale Bay Leaf, in hope to make Cascade beautiful again. Two of the Cascade Resistance were Molly and Leon.
Dr. Eggman and his crew eventually arrived at Cascade during a fight. There, Shadow saved Molly, causing her to believe he was the spirit of Black Wind. However, her hope vanished when Leon and several of the Resistance gave up. Molly was killed by Bay Leaf and Shadow, using the power of the white Chaos Emerald, got revenge by smashing Bay Leaf's ship.
After the Metarex's destruction, the Planet Egg returned to the planet making it beautiful once again. Shadow built a grave to Molly using debris and gave Rouge the Chaos Emerald, leaving to fight the Metarex alone. In the Japanese version of episode 78, Shadow was seen coming back and placing a rose on Molly's grave.
Cascade was a beautiful planet resembles to Earth. Long ago, an asteroid of Red Energon landed on the planet. In 2020, the humans of Cascade fell into a war with the Gothamites. A Cascade Resistance fought the Death Force and two of the Resistance were Molly and Leon.
Optimus Prime and his crew of the Miranda II eventually arrived at Cascade during a fight. There, Hot Rod saved Molly from being killed by one of the Vehicons, causing her to believe he was Rodimus. The Autobots allied with Molly, Leon and several of the Resistance and established an Autobot base on Cascade included a drydock for the Miranda II. The Autobots harvested Red Energon in the asteroid crash site by cutting many of it into cubes, captured some of the Decepticons, arrested Sentinel Prime for his treason and discovered four energon points on Cascade.
Four Cybertron Cities on Cascade were established in each area one by one and four energon towers were installed, providing a lasting defense for the planet against any Decepticon, Terrorcon or Gothamite attack. The Earth Federation formed a alliance with the Cascade Resistance.
- In the Japanese version of Sonic X, Cascade had no name.
- In Sonic X, Cascade was a shattered world. In Transformers: Universe, it is the Earth-like planet.