Top 5 longest-running scripted prime-time US TV series
evergreenThe 5 longest-running scripted prime-time US TV series by seasons in production: The Simpsons, Law & Order: SVU, Gunsmoke, Law & Order, Lassie.
Snapshot · 2026-09-23
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- 1
The Simpsons
35+ seasons
- 2
Law & Order: SVU
25+ seasons
- 3
Gunsmoke
20 seasons
- 4
Law & Order
23 seasons
- 5
Lassie
19 seasons