Excalibur

Excalibur, also known as the Sword Forged in the Dragon's Breath, and simply called The Sword is an item in BBC's Merlin. It debuts in the ninth episode of the first season.

Excalibur is based on the sword of the same name.

Trivia

 * Though never named, the sword is officially called Excalibur in the scripts and the episode itself.