Challenge of the Super Friends

The Demons of Exxor (1x3)

Air date: Sep 16, 1978

The Wonder Twins agree to help Exxor defeat Darkon, a conqueror who has taken over Exxor and made its inhabitants his slaves. With the Wonder Twins captured by Darkon, Batman & Robin must free the twin heroes as the other Super Friends tackle Darkon and his troopers.