Blaze

S2 E2 — The Skull That Changed Science, the Bat Bomb and the Stone Age Multitool Delving into how a grievously injured skull changed the face of neuroscience, asking if World War II really could have been won by a bat, and investigating if people made sophisticated multipurpose tools 14,000 years ago.

S3 E8 — Great Cities We tower over incredible metropolises, discovering an important urban centre that is sinking towards oblivion, sprawling ruins buried under Saharan sands, the modern secret of an ancient fortress and a ghost town on the edge of the Gobi Desert.

S3 E9 — Stone Cold Mysteries Having a look at cryptic rock structures normally hidden from view, dwellings in the Peruvian Andes, a sacred monolith in Wyoming's Black Hills, a Turkish stone village and an immovable waterfall in Mexico.

S3 E10 — Animal Oddities Witness jaw-dropping animal spectacles from high above the Earth. Watch a whirling herd of northern nomads, see undersea behemoths show off in the Pacific shallows, track a US porcine stampede, and confront top ocean predators on the Florida coast.

S1 E4 — Le Cercle Established in 1952 as a Catholic conservative group, Le Cercle now operates as a shadow intelligence agency rumoured to control world politics.

S1 E5 — The Freemasons The Freemasons have been meeting since the 14th century. From an ancient stoneworker's guild through to the modern era, their mythologies, beliefs, and secret rituals have inspired countless works of fiction and speculation.

S1 E6 — The Hermetic Order of the Golden Dawn A society that included Bram Stoker, Sir Arthur Conan Doyle, and H.P. Lovecraft as members. The Hermetic Order of the Golden Dawn was a secret society that dabbled in the occult, laying the groundwork for modern Wicca and esoteric practices.

S1 E3 — Chamber of Secrets From priceless treasure found inside a lost city, to an ancient manuscript hidden behind a wall, explores mysterious secrets lost deep inside various unseen chambers like tunnels, caves and burial sites.

S1 E4 — Military Secrets From clandestine nuclear weapons programmes to a secret Cold War bunker hidden in the mountains, or even World War II technology at the bottom of the sea, exploring the unlikely people, and surprising places.

S1 E5 — Sacred Discoveries From ancient religious texts buried in Egypt to cultural relics found at sea, or even a tower of skulls hiding under the earth, these lost artefacts change what is known about certain sacred beliefs.

S1 E2 — St Osyth (1582) Rylan teams up with Prof Alice Roberts to investigate the St Osyth witch trial of 1582. A dispute between two friends escalates, leading to accusations of witchcraft, which were amplified by a magistrate eager to exert power.