Castle's Nathan Fillion to Cameo on The Big Bang Theory

The nerds on The Big Bang Theory won't believe that one of their idols is dropping by their show. Seriously, they won't believe it.

Game of Thrones Season 5: Welcome back to Westeros!

Firefly and Castle star Nathan Fillion will make a cameo appearance on the Feb. 19 episode of CBS's mammoth comedy hit

...

Read More >

Other Links From TVGuide.com

• The Big Bang Theory


• Nathan Fillion


• Castle

Source TVGuide.com: Breaking News http://ift.tt/1HOInLX