Zudomon's Iron Hammer of Lightning

Zudomon's Iron Hammer of Lightning (ズドモン 稲妻の鉄槌, Zudomon Inazuma no Tettsui) is the fifteenth episode of Digimon Adventure:

Summary
While Taichi’s team finishes fighting off Oukuwamon and Kuwagamon in the canyon maze, Sora’s team reaches a snowy mountain where they are attacked by a group of Digimon. Joe and Ikkakumon stand up to save Sora from danger.