WATCH THIS EPISODE

Kick the Ballistics

The shooting death of a young woman points to Ryan's stolen gun as the murder weapon -- the gun stolen earlier by serial killer 3XK. Now Castle and Beckett are up against the clock to track down 3XK before he kills again.

Season 4 | Episode 4
TV-14-V
3609 Expires September 6
PRESENTED BY
Cast

Molly Quinn

Alexis Castle

Nathan Fillion

Richard Castle

Jon Huertas

Javier Esposito

Seamus Dever

Det. Kevin Ryan

Stana Katic

Kate Beckett

Susan Sullivan

Martha Rodgers

Tamala Jones

Lanie Parish