While fans have been debating who was the better smuggler, the Millennium Falcon's Han Solo or Serenity's Malcolm Reynolds, their universes have been crossing right under our noses.
As the story goes, the prop team on Joss Whedon's late, lamented cult classic knew how much Nathan Fillion loved Star Wars and endeavored to hide a replica of Han Solo frozen in carbonite on the set.
Sometimes the rest of the production team caught it before the cameras rolled, sometimes they didn't. And a couple of sharp-eyed fans have discovered exactly where to find Han buried in episodes of Firefly.
(Via Geek With Curves)