Fairy Tail Episode 91: Dragon Sense
Episode 91 of 175 of Fairy Tail, aired August 5, 2011, 25 minutes. Available with English subtitles and dub where released.
Episode summary
The Earthland wizards succeed in preventing Extalia's demise, but the battle is not over. Erza Knightwalker leads an ambushed by the Edolas Royal Army, while King Faust unleashes a super-powerful mechanical dragon, Dorma Anim. The Dragon Slayers confront the king, Erza Scarlet faces off against Knightwalker, the others battle the army while Mystogan and Pantherlily attend to other matters.