Castle Facts, FAQ & Common Questions
2009 · ABC · Status: Canceled · Rated: TV-14
Frequently Asked Questions About Castle
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Castle have?
Castle has 8 seasons and 173 total episodes, spanning from its premiere on March 9, 2009 to May 16, 2016.
Is Castle renewed, ended, or canceled?
Castle has been officially canceled and will not return for additional seasons.
How long does it take to binge watch Castle?
It takes 78h 28m (4708 minutes) to watch the complete run of Castle. At a standard pace of 2 hours per day, you will finish the entire series in approximately 40 days. Not realistic for a 48-hour weekend. At 78.5 total hours, watching at a healthy 2 hours per day will take approximately 40 days.
What is the highest-rated episode of Castle?
The highest-rated episode is Season 1, Episode 10 ("A Death in the Family"), which holds an outstanding rating of 7.6/10 based on 26 audience ratings.
Where can you stream or watch Castle?
Castle is available for streaming on Amazon Prime Video, Hulu, Philo, Amazon Prime Video with Ads. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for Castle?
Castle has an official content rating of TV-14.
Who are the lead actors in Castle?
The primary ensemble cast includes Nathan Fillion as Richard Castle (age 55), Stana Katic as Kate Beckett (age 48), Molly C. Quinn as Alexis Castle (age 32), Jon Huertas as Javier Esposito (age 49).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Nathan Fillion | Richard Castle | 55 |
| Stana Katic | Kate Beckett | 48 |
| Molly C. Quinn | Alexis Castle | 32 |
| Jon Huertas | Javier Esposito | 49 |
| Seamus Dever | Kevin Ryan | 50 |
| Susan Sullivan | Martha Rodgers | 83 |
| Tamala Jones | Lanie Parish | 51 |
| Penny Johnson Jerald | Victoria Gates | 65 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Castle are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.