Character mistake: Eric says he found the little mermaid sculpture "on the coast of Cartagena" - as the subtitles confirm - but he mispronounces it as Cartageña.
Character mistake: When Liam brings up the idea about dressing up like the Monopoly guy at Xander's party, Stella says, "You can never go wrong with a top hat and a monocle." The Monopoly guy actually never wore a monocle.