Decoded poster

Decoded (2010)

Documentary · History · Mystery

Brad Meltzer's Decoded, is an American mystery and conspiracy theory investigation television series, produced by Go Go Luckey and Berman/Braun, that premiered December 2, 2010 on the History channel. The series is hosted by political thriller author and non-fiction writer Brad Meltzer and follows a team of investigators who try to determine the meanings behind various symbolism, alleged secret codes and conspiracies that surround us every day.

IMDb rating
6.2 (829 votes)
Seasons
2
Streaming (US)
HISTORY Vault Apple TV Channel · HISTORY Vault Amazon Channel · History
Language
EN
Type
TV series

Ratings refreshed Jul 3, 2026 · 2 seasons indexed

Cast

Seasons

Season 1 (2010)

6.18 avg 10 episodes 5.6 → 6.4 45 min avg

Ep 1: 5.6 · 35 votesEp 2: 6.7 · 26 votesEp 3: 5.6 · 33 votesEp 4: 6.4 · 32 votesEp 5: 5.9 · 23 votesEp 6: 6.7 · 38 votesEp 7: 6.1 · 34 votesEp 8: 6.0 · 26 votesEp 9: 6.4 · 24 votesEp 10: 6.4 · 26 votes
Season 1 episodes — IMDb ratings
#TitleRatingVotes
1The White House5.635
2Secret Presidential Codes6.726
3Statue of Liberty5.633
4The Lincoln Assassination6.432
5Confederate Gold5.923
6D.B. Cooper6.738
7Secret Societies6.134
820126.026
9The President's Inner Circle6.424
10Apocalypse in Georgia6.426

Season 2 (2011)

6.82 avg 13 episodes 6.3 → 7.7 45 min avg

Ep 1: 6.3 · 25 votesEp 2: 6.9 · 23 votesEp 3: 6.1 · 23 votesEp 4: 7.3 · 18 votesEp 5: 5.9 · 16 votesEp 6: 8.3 · 21 votesEp 7: 7.0 · 22 votesEp 8: 6.6 · 14 votesEp 9: 7.5 · 19 votesEp 10: 5.9 · 13 votesEp 11: 6.6 · 15 votesEp 12: 6.6 · 14 votesEp 13: 7.7 · 25 votes
Season 2 episodes — IMDb ratings
#TitleRatingVotes
1Ft. Knox6.325
2Declaration of Independence6.923
3Rushmore6.123
4Patton7.318
5Spear of Destiny5.916
6Billy the Kid8.321
7UFO7.022
820126.614
9Da Vinci7.519
10Mafia: Alive?5.913
11Vatican6.615
12Houdini6.614
13Alaska Triangle7.725