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 (830 votes)
Seasons: 2
Streaming (US): HISTORY Vault Apple TV Channel · HISTORY Vault Amazon Channel · History
Language: EN
Type: TV series

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Ratings refreshed Aug 19, 2026 · 2 seasons indexed

Cast

Seasons

Season 1 (2010)

6.18 avg 10 episodes 5.6 → 6.4 45 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	The White House	5.6	35
2	Secret Presidential Codes	6.7	26
3	Statue of Liberty	5.6	33
4	The Lincoln Assassination	6.4	32
5	Confederate Gold	5.9	23
6	D.B. Cooper	6.7	38
7	Secret Societies	6.1	34
8	2012	6.0	26
9	The President's Inner Circle	6.4	24
10	Apocalypse in Georgia	6.4	26

Season 2 (2011)

6.82 avg 13 episodes 6.3 → 7.7 45 min avg

Rollercoaster

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Ft. Knox	6.3	25
2	Declaration of Independence	6.9	23
3	Rushmore	6.1	23
4	Patton	7.3	18
5	Spear of Destiny	5.9	16
6	Billy the Kid	8.3	21
7	UFO	7.0	22
8	2012	6.6	14
9	Da Vinci	7.5	19
10	Mafia: Alive?	5.9	13
11	Vatican	6.6	15
12	Houdini	6.6	14
13	Alaska Triangle	7.7	25

Decoded (2010)

Cast

Seasons

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