After the Tripler Killer

Beckett and Castle are on the case of the "Tripler Killer" in this scene. It's from the episode "3XK."
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Castle, Gina, Alexis

Castle and Gina deal with Alexis in this scene. It's courtesy of the episode "Anatomy of a Murder."
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Phony Smile

Castle attempts a smile in this scene. But circumstances aren't making it easy for him to be happy.
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Gina

We haven't seen Gina often on season three of Castle. But she tries to bond with Alexis on the episode Anatomy of a Murder.
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Castle Family

Castle is seen here with his daughter. On season three, he deals with the latter actually having a boyfriend.
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Mocked

HA! HA! Castle gets laughed at, big time, in this scene from the 10/11/10 episode, "Punked."
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Confused Investigators

There's a reason Castle and Beckett look confused in this photo from the episode "Punked." The victim they are investigating was killed with a bullet that's 200 years old.
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Under the Gun Scene

Castle looks on as Beckett puts a perp in cuffs. This shot is courtesy of the episode "Under the Gun."
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Trio of Crim Fighters

Beckett's former partner is back on the show's 10/4/10 episode. This might make things awkward for Castle.
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Graveyard Shooting

Gun and shovels are all the rage in this scene from Castle. As you can see, it takes place in a graveyard.
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A Lovable Duo

Castle and Beckett don't just track a killer on the second episode of season three. They hold a debate about the validity of special abilities.
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Taking a Suspect In

Take him in, boys! The officers do their jobs in this scene from the second episode of Castle's third season.
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Castle Quotes

I need time to stop being mad and you need time to figure out a way to be OK with this.

Alexis

I tried to stay in the car I really did.

Castle