Yu-Gi-Oh! Duel Monsters: Season 1, Episode 139

1 - 139: Fiend's Sanctuary Activates!

Marik proves that his The Winged Dragon of Ra is the strongest Egyptian God Card by destroying Slifer the Sky Dragon! None of Yugi’s cards can withstand its relentless assault, but a gift from Kaiba may be the key to turn the duel around…