‘The Greatest Pirate Holiday Spectacularrr!’

My, that Scrooge was a scurvy knave: repossessing houseboats, stealing ugly sweaters, hiding his ill-gotten gains in a litter box. You’re probably thinking that Charles Dickens must be rolling in his grave over this, and he probably is — with laughter. Presented by Off Sides Entertainment, which produced last year’s “The Greatest Pirate Story (N)ever Told,” this show combines a parody of piracy and “A Christmas Carol” with audience-assisted improvisation and a variation on the children’s fill-in-the-blank game Mad Libs. Dickens himself plays a role in the production, which you shouldn’t miss: It closes this weekend.