It was hosted by Irish actor Edward Mulhare and dealt with topics of a paranormal nature, as well as mysterious historical events.

It was similar to the 1970s/1980s series In Search of.... "Secrets of the Unknown invites you into the world of the bizarre, strange, and unusual.

From ninjas who are said to transform into panthers, to the peculiar myths and rituals surrounding King Tutankhamun's tomb, to Adolf Hitler's occult connections, the sinking of the Titanic, the disappearance of Amelia Earhart, Bigfoot, UFOs, ghosts, dreams and nightmares, the Hindenburg disaster, and other subjects.

The series consists of 26 episodes, written by Erik Nelson and produced by Craig Haffner.

[2] After a brief introduction of what the episode had in store, the opening sequence would feature a series of provocative images to set the tone of the show.