How Many Seasons of Law & Order Exist
There are 21 seasons of the original Law & Order series, comprising 456 episodes in total. The show ran from September 1990 to May 2010, with a two-season revival in 2022–2023 (seasons 21–22). This evergreen explainer details each season’s episode count, original air dates, and notes on continuity, while clarifying common confusion with the broader franchise, which includes multiple long-running spin-offs such as Law & Order: Special Victims Unit, Law & Order: Criminal Intent, and others.
Law & Order Core Seasons at a Glance
The table below lists every season of the original Law & Order series, its episode count, and its air years, based on network and industry sources.
| Season | Episodes | Original Air Years | Notable Notes |
|---|---|---|---|
| 1 | 22 | 1990–1991 | Series premiere; early format establishment |
| 2 | 22 | 1991–1992 | |
| 3 | 24 | 1992–1993 | |
| 4 | 24 | ||
| 5 | 26 | 1994–1995 | |
| 6 | 26 | 1995–1996 | |
| 7 | 22 | 1996–1997 | |
| 8 | 24 | 1997–1998 | |
| 9 | 24 | 1998–1999 | |
| 10 | 28 | 1999–2000 | |
| 11 | 28 | 2000–2001 | |
| 12 | 20 | 2001–2002 | |
| 13 | 25 | 2002–2003 | |
| 14 | 25 | 2003–2004 | |
| 15 | 25 | 2004–2005 | |
| 16 | 25 | 2005–2006 | |
| 17 | 23 | 2006–2007 | |
| 18 | 23 | 2007–2008 | |
| 19 | 23 | 2008–2009 | |
| 20 | 22 | 2009–2010 | Series finale before revival |
| 21 | 10 | 2022–2023 | Revival season; NBC |
| 22 | 10 | 2023 | Second revival season; concluded NBC run |
Franchise Context and Spin-Offs
Law & Order launched an extensive franchise built on the same legal-drama formula. The most prominent siblings include Law & Order: Special Victims Unit (premiered 1999), Law & Order: Criminal Intent (2001–2011), Law & Order: Justice Is Served (2004), and Law & Order: Trial by Jury (2005). These spin-offs run in parallel to the parent series and often share story arcs, but each maintains its own episode numbering and production cycle. Understanding this structure helps clarify why “how many seasons” questions sometimes yield multiple answers depending on which series is referenced.
Common Points of Confusion
Viewers sometimes conflate the original series count with franchise totals. For example, Law & Order: SVU has aired well over 20 seasons and continues, but that is a separate show with its own numbering. The original Law & Order story concluded its initial run in 2010 and completed a limited revival in 2023. When asking about seasons, specify whether you mean the main line or the broader franchise to avoid miscounting.
Production and Renewal Context
The original series maintained a steady rhythm of roughly 20–28 episodes per season, influenced by production schedules and network demands. The 2022–2023 revival was ordered for two shortened 10-episode seasons as a limited event return. These details matter for understanding how television economics and scheduling shaped the show’s longevity.
Legacy and Cultural Impact
Across more than three decades, Law & Order established a durable template for police-procedural dramas, emphasizing the legal process as much as the investigation. Its anthology format let individual stories reset each episode, while long-running character arcs appeared sparingly. The series’ influence persists in scheduling, franchise strategy, and audience expectations for courtroom dramas.