Monday's Castle is taking its characters (and viewers) back in time.Exclusive: Castle boss and Stana Katic dish on Castle's first museAs Castle (Nathan Fillion) and Beckett (Stana Katic) investigate ...

A gorgeous gangster’s moll, a cursed diamond necklace and private eye’s diary. “The Blue Butterfly” had Castle and Beckett investigating murders that spanned over half a century. Now, our Round Table ...

There are a handful of things that Castle does well. Even better, there are a few things that Castle does REALLY well. After watching “The Blue Butterfly”, we can now add nostalgia and flashbacks to ...

Tonight at 10/9c, ABC's Castle takes a trip in time when a modern-day case reveals its roots in the 1940s. In doing so, Castle and Beckett (played by Nathan Fillion and Stana Katic) transform into a ...

In an exclusive clip to THR from the 1940s-set "The Blue Butterfly," airing Monday, the partners find themselves in a bit of a bind. By Philiana Ng How different would things be if Castle was set in ...

As Castle (Nathan Fillion) and Beckett (Stana Katic) investigate the murder of a treasure hunter who was searching for the elusive "Blue Butterfly" necklace before his death, the pair stumbles onto ...