Big Ditch Canyon is a location from the 1985 animated series She-Ra: Princess of Power.
She-Ra: Princess of Power
Big Ditch Canyon lies within the boundaries of Castle Bright Moon.
Hordak, who wanted to get his hands on Joel's Robo-Friend sent Imp to spy and ordered him to place a little controller in the Robot to make it obedient to Hordak. Catra, Leech and Grizzlor were also on the scene to provide a distraction.
As planned, the Robo-Friend turned against it's master and flew off carrying Prince Joel. She-Ra and Swift Wind managed to rescue the boy, but the Angerian Robot was smashed to pieces against the Canyon wall.