Browse episode ratings trends for Secrecy of the Investigation. Simply click on the interactive rating graph to explore the best and worst of Secrecy of the Investigation's 430 episodes.
Best Episodes of Secrecy of the Investigation
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Worst Episodes of Secrecy of the Investigation
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Secrecy of the Investigation Episode Guide
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The first episode of Secrecy of the Investigation aired on September 01, 2000.
The last episode of Secrecy of the Investigation aired on December 10, 2025.
There are 430 episodes of Secrecy of the Investigation.
There are 25 seasons of Secrecy of the Investigation.
Yes.
Secrecy of the Investigation is set to return for future episodes.
