Prime Video’s Best Detective Show Is So Good, It Spawned 10 Seasons and Two Spin-offs

A good detective show knows how to combine a familiar formula and competent problem-solving with twists and turns viewers don’t necessarily see coming. There’s something comforting about a mystery show that embraces the former conventions. However, leaning too heavily into tried-and-true methods of success is a recipe for growing stale. The most enduring detective thrillers blend a traditional approach with increasingly inventive storytelling.

Bosch strikes that balance well across its two main series (Bosch and Bosch: Legacy), and it’s the reason it’s even spawned multiple spin-offs. Based on Michael Connelly’s book series, the Prime Video show follows LAPD detective Harry Bosch (Titus Welliver), who chases the truth behind murders and larger criminal conspiracies, even when it puts him at odds with powerful people or necessitates breaking the rules.

That moral complexity makes Bosch a thrilling character to follow, but it’s far from the only reason his series resonates across seven seasons and a three-season sequel. With Bosch, Prime Video found the perfect formula for a larger franchise, and it’s happily capitalizing on that.

‘Bosch’ Cracked the Case for What Gives a Detective Series Continued Momentum

Bosch is a detective series that continues for many seasons without going stale, and there are a few strengths that contribute to its longevity. For one, Connelly’s source material lends itself to extensive storytelling. The author has published more than 20 novels centered on Harry Bosch, as well as novellas and spin-offs. The thoroughly crafted world and main character give Prime Video plenty to pull from for its TV universe. They also offer an established audience who will happily follow the homicide detective to the screen.

Welliver’s performance also incentivizes doing so, and he brings an already complex character to life with an intensity and charm that’s impossible to ignore. Bosch’s flaws give his story momentum, too, laying the foundation for a growth arc that feels satisfying by the time the original Bosch ends and Bosch: Legacy begins. He has a compelling yet sad backstory, demonstrates genuine shortcomings in his obsessive pursuit of justice, and is forced to grow within his philosophy.

Because viewers get to know Bosch so intimately, his evolution in Bosch: Legacy feels natural. Leaving the LAPD to become a private investigator fits with his moral code, and it opens the door to an extra three seasons of storytelling. The world around Bosch changes in realistic ways as well, which gives way to the show’s spin-off, Ballard.

Centered on LAPD Detective Renée Ballard (Maggie Q), who first appears in Connelly’s books and then in Bosch: Legacy Season 3, the show sees its lead moved to the Cold Case Division after calling out police corruption. It puts her in a similar scenario to Welliver’s character, but her journey also grapples with prejudice, takes on a different tone, and features more of an ensemble. Ballard proves there’s still gas in the franchise, and that will become more apparent come Prime Video’s second spin-off in January.

The ‘Bosch’ Franchise Continues With a Second Spin-off Series in January 2027

It’s already impressive that Bosch dedicates 10 seasons to Harry Bosch’s story, then maintains its quality in Ballard. However, the franchise’s expansion doesn’t end there. On Jan. 10, 2027, Bosch: Start of Watch will debut on MGM+. The prequel series will bring viewers back to Harry’s early days in the LAPD, giving him new constraints to operate under. Cameron Monaghan will take on the role, which promises to show a new side of the character.

He should be less jaded, for one thing, and he’ll also be much closer to his experience in the Persian Gulf War. That gives the show an opportunity to explore the psychological aftermath in a fresh way and to show how Harry becomes so disillusioned. This series isn’t pulling from a specific book, which puts the franchise in a new situation. It’s promising though, as Harry Bosch has enough history and depth to carry a new original series.

Release Date

2015 – 2021-00-00

Network

Prime Video

Showrunner

Eric Ellis Overmyer

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