Castle focused on stories about seashells and reminded us how creepy clowns can be this week.

And it also featured a pretty amazing gesture by Rick in relation to both Kate and his beloved painting of Linus.

The installment also gave us a diamond-based investigation and yet another reminder that Caskett is the couple to beat on television.

Did you catch the hour? Do you wish to relive it? Just click on the following image now to check out Castle Season 6 Episode 8 in full:

Watch Castle Season 6 Episode 8

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.