Nathan Fillion’s Richard Castle made solving crimes look like the most fun job in the world. Witty banter, thrilling mysteries, and that crackling chemistry with Stana Katic’s Kate Beckett turned Castle into a must-watch for detective show fans. If you are still craving shows like Castle that mix sharp investigations with playful charm, do not worry—the case is not closed yet! Ever loved a genius who can read people like a book? The Mentalist and Sherlock take mind games to the next level in solving crimes. 

Prefer con artists turned good? White Collar is for you. If you want a mix of humor and some devilish charm, Lucifer is your next watch. And of course, forensic drama fans will love Bones. From brilliant but eccentric detectives to partners with sizzling tension, here is a countdown of the best series to scratch that Castle-shaped itch.  

10. Burn Notice

Cast: Jeffrey Donovan, Gabrielle Anwar, Bruce Campbell  

Release Date: June 28, 2007  

Where to Watch: Amazon Prime Video, Hulu  

Michael Westen is a former spy who has been burned, dumped and left out in the cold, with no resources and no access to the world of intelligence. But instead of giving up, he uses his Special Ops skills to help people in trouble. Think of it as Castle, but swap crime scenes for high-stakes espionage in Miami, where every case comes with explosions.  

If you are a fan of the action mixed with comedy that Castle gives the best, then Burn Notice delivers in spades. The witty narration, snarky sidekicks, and cases filled with twists make this series one of the best shows similar to Castle, keeping you entertained with every new mission.  

Is ‘Dark Winds’ Season 3 Streaming on Netflix? Where Can You See the Gripping Thriller?

9. Person of Interest

Cast: Jim Caviezel, Michael Emerson, Taraji P. Henson  

Release Date: September 22, 2011  

Where to Watch: HBO Max, Amazon Prime Video  

What if a machine could predict crimes before they happened? That is the premise of Person of Interest, where a former CIA operative teams up with a billionaire tech genius to stop violent crimes before they occur. It is like Castle meets Minority Report, filled with exciting new high-tech surveillance, mystery, and action.  

Like Castle and Beckett’s crime-solving duo, the show lives on the chemistry between its leads. With unexpected twists, secret conspiracies, and thrilling cases, this is a series like Castle that will not fail to keep you guessing till the end!

8. Psych 

Cast: James Roday Rodriguez, Dulé Hill, Timothy Omundson  

Release Date: July 7, 2006  

Where to Watch: Peacock, Amazon Prime Video  

Shawn Spencer is not psychic, but he is a master of observation. To avoid trouble, he tricks the police into believing he has supernatural abilities, turning himself into their go-to crime consultant. If you enjoyed Castle’s lighthearted, fun approach to crime-solving, Psych will be your next favorite binge.  

Much like Castle and Beckett’s playful banter, Shawn’s shenanigans with best friend Gus and his steamy romance with detective Juliet keep the show as much fun as it is suspenseful. 

7. Sherlock

Cast: Benedict Cumberbatch, Martin Freeman, Andrew Scott 

Release Date: July 25, 2010  

Where to Watch: Netflix, Amazon Prime, Hulu  

Sherlock Holmes is not just a detective, he is the detective. This modern-day version of Arthur Conan Doyle’s classic tales brings razor-sharp mysteries and thrilling storytelling that fans of Castle will undoubtedly enjoy! With actors who played Sherlock Holmes over the years, from Basil Rathbone to Robert Downey Jr., Benedict Cumberbatch's Sherlock in this series remains one of the finest to date!

If Castle’s ability to read people impressed you, Sherlock takes it to a whole new level, solving crimes with just a glance. The banter between Holmes and Watson is as entertaining as Castle and Beckett’s, making this one of the best shows like Castle but a sharper, darker edge. 

6. Chuck

Cast: Zachary Levi, Yvonne Strahovski, Joshua Gomez  

Release Date: September 24, 2007  

Where to Watch: Amazon Prime Video  

Chuck Bartowski was an ordinary tech nerd until he accidentally downloaded top-secret government files into his brain. Next thing he knows, he is in the middle of a world of spies, killers, and high-risk missions—all while trying to maintain his ordinary life. 

With its mix of action, humor, and unexpected romance, Chuck has that same Castle similar show vibe, balancing intense cases with fun character moments. Just like Castle and Beckett, Chuck and Sarah’s relationship left fans wanting more even after the final episode.

5. Lucifer

Cast: Tom Ellis, Lauren German, Kevin Alejandro  

Release Date: January 25, 2016  

Where to Watch: Netflix  

The devil investigating crimes? It sounds ridiculous, but Lucifer pulls it off charmingly enough. Tom Ellis plays the smooth-talking Lucifer Morningstar, who partners with LAPD detective Chloe Decker to solve crimes- well when he is not busy running his nightclub.  

The crime-solving chemistry and slow-burn romance feel just like Castle, but with a supernatural twist. If you enjoy winding down after a long day with TV shows like Castle that mix humor, drama, and interesting cases, Lucifer is the perfect next watch.  

4. The Rookie

Cast: Nathan Fillion, Alyssa Diaz, Richard T. Jones  

Release Date: October 16, 2018  

Where to Watch: ABC, Hulu  

Nathan Fillion is back, but this time, he is not playing a mystery novelist. In The Rookie, he stars as John Nolan, a 40-something old man who is the LAPD's oldest rookie.

Much like Castle’s journey from writer to detective consultant, Nolan has to prove himself in a world that does not take him seriously. With thrilling cases, sharp humor, and Fillion’s signature charm, this is one of the best picks for fans who miss that Castle-style wit.  

3. Bones

Cast: Emily Deschanel, David Boreanaz, Michaela Conlin  

Release Date: September 13, 2005  

Where to Watch: Hulu, Amazon Prime, Peacock  

Dr. Temperance Bones Brennan is a forensic anthropologist who solves crimes using skeletal remains. FBI agent Seeley Booth, her partner, works on gut, instinct, and street smartness. Together, they crack cases with a mix of science and sarcasm.  

Sound familiar? Bones follows a similar formula to Castle, featuring witty banter, crime-solving, and an on-again, off-again romance to keep you invested.

2. The Mentalist 

Cast: Simon Baker, Robin Tunney, Tim Kang  

Release Date: September 23, 2008  

Where to Watch: Amazon Prime Video  

Patrick Jane is an expert at reading people, so much so that he pretends to be a psychic detective to solve crimes. But behind his charm is a tragic backstory that unravels as he secretly hunts the serial killer who destroyed his life.  

If Castle’s observational skills impressed you, Jane’s abilities take things up a notch. With intense mysteries and a lead character as witty and charming as Castle, The Mentalist is a series like Castle that will keep you glued to the screen day and night!

1. White Collar

Cast: Matt Bomer, Tim DeKay, Willie Garson  

Release Date: October 23, 2009  

Where to Watch: Hulu, Amazon Prime, Netflix  

Neal Caffrey is a master con artist who strikes a bargain with the FBI—that he will help solve white-collar crimes in exchange for his freedom. He is brilliant, charming, and always one step ahead, much like Castle himself.

The mentor-mentee relationship between Neal and FBI agent Peter Burke mirrors the Castle-Beckett dynamic, mixing witty exchanges with thrilling cases. If you are fresh off watching Castle and searching for other shows like Castle that bring in the same humor, suspense, and irresistible characters, White Collar is your ultimate pick!

Any good mystery show is not so much about solving cases but the thrill of the chase, the witty comebacks, and those shocking twists that will keep you guessing. If Castle had you hooked with its snappy humor and electric chemistry, then these shows like Castle will do the same. No matter your pick, there is a case waiting to be cracked!

Seth Rogen’s New Comedy ‘The Studio’ Opens Strong With a Perfect 100% Rating, Here’s Where To Watch It

So, which one are you binging first? Drop your favorites in the comments!