Yu-Gi-Oh! 5D's - Season 1 Episode 73 Synchro Straits

Yusei has a nightmare about Stardust Dragon being captured by The Ghost, and of Sherry's offer. Wanting to learn to duel without relying on Synchro monsters, Yusei asks Jack to duel him. As they duel, they are being watched by a mysterious character (who is really Vizor). Sensing fear in Yusei after being attacked by Red Dragon Archfiend, Jack cancels the duel, saying that there's no way to win without Synchros (Vizor left by the time the duel was over). Later, everyone attends a premiere event for the WRGP, where the details for the tournament are shown. Lazar meets up with the group from Yliaster, who are using the tournament for their own gain. Just then, the party is crashed by a violent Turbo Duelist named Dobocle. Akiza stops him from wrecking the party, and the Yliaster trio become interested in her powers. Dobocle tries to escape, but is attacked by another Ghost, who is really Primo, because he got sick of Dobocle's actions.