More mystery, secrets and conspiracies than ever before

Summer of Secrets returns this July with a raft of brand new Sky HISTORY premieres. Tune in for an epic treasure hunt for the infamous lost gold of the Aztecs, voyage into a golden era of maritime history in Secrets of the Lost Liners, encounter man-made enigmas in Cracking The Code, uncover extraordinary UFO cases in 'Ancient Aliens' and join William Shatner to delve into the unexplained mysteries of the universe in The UnXplained. New UK premieres include: Lost Gold of the Aztecs, Secrets of the Lost Liners, Cracking the Code, Ancient Aliens and The UnXplained S3a featuring William Shatner.