: By Season 8, the show literally outgrew the streets of Los Angeles, sending Nolan and his team on an international mission to Prague to take down a high-stakes arms syndicate.

Here’s a short write-up on the number of seasons of The Rookie :

As of April 2026, has officially aired 8 seasons , with a 9th season already greenlit by ABC for the 2026–2027 television cycle. What began as a mid-life career change for John Nolan has evolved into one of the network's most durable procedurals, recently hitting a milestone as the third longest-running drama currently on the network. The Evolution of a Veteran

The first season laid the groundwork, establishing the "fish out of water" premise. Nathan Fillion’s portrayal of Nolan carried the series, balancing the physical limitations of an older rookie with the emotional intelligence of a life well-lived. The initial 20-episode run was a ratings success, proving that audiences were hungry for a protagonist who wasn't a fresh-faced twenty-something.