Continuity mistake: George Joestar thanks the man who he believes to be his saviour; he's gripping his right hand, and asks his name. In the next shot, Dario Brando's own left hand is the only hand gripping his right. (00:01:35)
Continuity mistake: When JoJo is eating the steak the first time, in close-up the juices have overflown the plate, but in the next shot there's no such mess on the tablecloth. Moreover, you can see him cut the last piece in half, and then pick it up whole. (00:02:50)
Continuity mistake: Dio challenges some hoodlum at the game that men of dubious virtue would play in the London slums at the turn of the century; chess. He reaches over to grab the coins the guy tossed at him, but when the sore loser smashes his face in the grub, the dish is suddenly directly in front of him and the chessboard disappeared. (00:03:10)
Continuity mistake: JoJo has been unjustly ostracized by his pastel-wearing friends. Erina witnesses his commiseration behind a tree; in close-up she is holding the basket with her right hand on the handle, but it's not that way in the wider view. (00:13:50)
Other mistake: JoJo finds inside the basket full of grapes the handkerchief he lost. Somehow, the name embroidered on the handkerchief quadrupled in size. (00:14:05)
Continuity mistake: Dio gets in front of Erina Pendleton that is heading back home. She spots him and her left-hand drops, but she again holds it high in front of her mouth in the next shot. (00:15:10)
Factual error: Dario Brando dies in 1880 (date on the gravestone) but when he was screaming at his son from his bed, Dio was reading "The Rise of Silas Lapham", which while being appropriate for his character, would be published only 5 years laters (started serialization in 1884).
