Content posted by Lauren Bull

The stars of Castle weren't always the stars of Castle, and as a reminder of how much work it takes to become a star (and maybe just to giggle a little bit), we're instating something we like to call Flashback Fridays.

Basically, it involves a clip that showcases one of the earlier acting performances of one of our beloved Castle-ers. First up, Nathan Fillion!

Nate's soap opera past is no...

Although ABC would like you to believe Rick Castle wrote Heat Wave (after all, they did stick his picture on the back of the book), a ghost writer produced the thriller. We pity this anonymous wordsmith — he (or she) will always wonder whether being a New York Times best-selling author counts if a fictional character is getting all the credit.

The ghost writer's gnawing angst aside, it...

Good news: Nathan Fillion has yet to accept one of his many Twitter proposals and is definitely not married. But does this notoriously eligible bachelor have a gal pal?

The short answer: We don't know. The long answer: Just like George Clooney, Nathan is waiting for you. In the meantime, however, he's doing a good job of keeping his private life, well, private.

Since splitting with with Vanessa...

Do you hang on Rick Castle's every word? Here's your chance to prove it! See if you can fill in the blank on each of these Castle quotes from the show. If you get all of them right, the prize is being really, really pleased with yourself. And yes, some of these are cake.