Despite the fact that someone died, being able to play in a Mars simulation must straight out of one of Castle's childhood dreams.
Added:
We know being an astronaut is cool, but the outfits are anything but. Not even Castle can pull off this look.
Added:
Kate Beckett can make anything look sexy, even a police uniform but not even she can look good in a space suit.
Added:
An astronaut is murdered in a Mars simulator. This one has to end up in one of Castle's books. It's simply too good not to use.
Added:
Castle and Beckett don spacesuits and enter a Mars simulation to figure out how an astronaut ended up dead on Castle. "The Wrong Stuff" is the 16th episode of the show's seventh season.
Added:
We really hope that this is the last time Castle and Beckett will have to face off against 3XK.
Added:
Can Castle and Beckett find a way to take down 3XK even though he's stolen all of the evidence they previously had against him?
Added:
And before you know it Rick Castle's arch nemesis is back and it appears he's enjoying egging Castle and Beckett on once again.
Added:

Castle Quotes

Sometimes the hardest things in life are the things most worth doing.

Castle

Rick Castle: Checking you for bites and scratches. Just making sure you didn’t somehow get impregnated.
Kate Beckett: If you think that’s how I’d get pregnant we need to talk.