Stinging a Stinger

Stinging a Stinger was the ninth episode in The Legend of Zelda Animated Series. Its first aired on November 3rd, 1989.Here is the Synopsis:  Link is tricked into trading his great sword for a shoddy one, leaving he and Zelda totally defenseless when they're captured by Gannon and taken to the Underworld - where the same peddler who traded Link's sword shows up and offers it to Gannon.