Yu-Gi-Oh! 5D's Season 1 Episode 51

Yu-Gi-Oh! 5D's Season 1 Episode 51 SerialGo Watch Online Streaming — Leo and Luna defeat Devack, and he disappears, freeing all the captive spirits. The Ancient Fairy Dragon and Regulus express their gratitude to Luna and become cards in her deck. Luna places the Ancient Fairy Dragon card in the control unit, deactivating it. Ensuring that everyone is safe, Yusei decides to head towards Kalin. Upon learning about Devack's defeat, Roman convinces Greiger to join his side and executes him to turn him into a Dark Signer.