Every season of Secrets Declassified with David Duchovny ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Secrets Declassified with David Duchovny!

Secrets of the Skies

Black Sites

Extreme Missions

Strange Weapons

Mind Games

Deep Cover

Dark Science

Deep Space

Spy Tech

Unholy Alliances

Escaping Armageddon

Top Secret Sites

Buried Secrets

Black Ops

Bizarre Weapons

Cracking The Code

Secret Units

Extraordinary Experiments

Smoke and Mirrors

Extreme Extractions

Masters of Deception

Rogue Missions

Covert Heists

High Strangeness

Dark Deals

Hidden Bases

Spy Gadgets

From black ops and bizarre experiments to deadly cover-ups and nefarious gadgets, David Duchovny pulls the curtain back on all the government secrets in modern history we always suspected, but were never given the answers to.

The Best Seasons of Secrets Declassified with David Duchovny

The Best Seasons of Secrets Declassified with David Duchovny

Season 2

Season 1