Season
Episode
- Episode 1: After the Storm
- Episode 2: Cloudy with a Chance of Murder
- Episode 3: Secret's Safe with Me
- Episode 4: Murder, He Wrote
- Episode 5: Probable Cause
- Episode 6: The Final Frontier
- Episode 7: Swan Song
- Episode 8: After Hours
- Episode 9: Secret Santa
- Episode 10: Significant Others
- Episode 11: Under the Influence
- Episode 12: Death Gone Crazy
- Episode 13: Recoil
- Episode 14: Reality Star Struck
- Episode 15: Target (1)
- Episode 16: Hunt (2)
- Episode 17: Scared to Death
- Episode 18: The Wild Rover
- Episode 19: The Lives of Others
- Episode 20: The Fast and the Furriest
- Episode 21: The Squab and the Quail
- Episode 22: Still
- Episode 23: The Human Factor
- Episode 24: Watershed
Castle Season 5 Probable Cause
After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.
