Hamon shissô ôbâdoraibu - S1-E4
Continuity mistake: When Jack the Ripper escapes from the encounter with Zeppeli, Zeppeli is standing with the wine bottle intact, despite being broken at the bottom during the previous onslaught. In close-up as he pours for JoJo it's broken again. (00:19:05)
Hamon shissô ôbâdoraibu - S1-E4
Character mistake: When Zeppeli drills a hole in the wine bottle, the wine is called "Mezzennotti Topo", which is grammatically incorrect Italian (it would mean a nonsensical "Midnights Mouse", but it's spelled wrong anyway). (00:15:55)