Secret History was a long-running British television documentary series. Shown on Channel 4, the Secret History brandname was used as a banner title in the UK, but many of the individual documentaries can still be found on US cable channels without the branding. It can be seen as Channel 4's answer to the BBC's Timewatch.

Looking at the birth of America's first intelligence units, set in motion in by President Lincoln himself in the early days of the war; exploring a spy who broke the boundaries of gender and race.

The story of eight people, four couples that find themselves at the Mayflower Hotel on a rainy summer night, each looking for a relationship that will add meaning to their lives.

A detective suspects that his wife murdered a gangster's brother. As he tries to misdirect the police and the bloodthirsty gangster while independently investigating his wife, terrible secrets slowly begin to surface.

一名凶杀案侦探在犯罪现场发现了可能牵连他妻子的罪证。

"Secret" was a game-talk show featuring secrets of celebrities. Stars must play games and succeed to prevent a secret of theirs from being revealed by a friend.

"Secret" was a game-talk show featuring secrets of celebrities. Stars must play games and succeed to prevent a secret of theirs from being revealed by a friend.

A homicide detective finds incriminating evidence that may implicate his wife at a murder scene.

Art historian Helen Rosslyn traces the stories of the people whose enthusiasm for art, sense of adventure and wealth built Britain's national collection and shaped the history of art of the nation.