Somebody Like You

AM & Shawn Lee

Castle & Beckett make out until they both start freaking out about someone being in the apartment with them.

A guy shoots pool alone, then hears a knock at the door.

A girl is about to send a friend a selfie when she hears a creepy noise.

In My Veins (feat. Erin McCarley)

Andrew Belle

Castle asks Beckett to dance after they are married.

Jared Stone starts listening to music as Esposito & Marisa discuss who should talk with him.

The Indestructibles & Castle break into Boothe's office to find the slot car.

A guy is chased and gunned down by a Santa driving a sports car.

I'll Be Your Santa

Rufus Thomas

Castle & Beckett go to a strip club to meet with a mobster named Dino.

Ride of the Valkyries

Wagner

Perlmutter's ringtone when Beckett calls to ask if there is evidence their victim had traveled recently.

We'll Meet Again

Vera Lynn

Beckett flashes back to the last case she worked involving Kelly Nieman; repeats as Beckett gets a call and is kidnapped, Kelly gets as call as she & Michael Boudreau leave the precinct.

Get Lucky (feat. Pharrell Williams)

Daft Punk

Beckett & Castle

I've Got You Under My Skin

Cole Porter

Castle & Beckett do their song routine in the shower.

Just Takes A Little

Amy Stroup

Castle, Beckett, Ryan & Esposito celebrate with Martha over the great review for her play.

I Really Like You

Carly Rae Jepsen

Castle & Beckett dance backstage as Carly performs for the Saturday Night Tonight audience; Castle notices Chad's ring.