Blaze (Freeview) Saturday

Items including a daguerreotype brooch and a tea caddy get the once over in Ilford, Greater London, before the owners decide whether to sell to the dealers or opt for the auction

There is said to be physical evidence of alien activity that has been hidden from the public for years. This programme outlines how it is starting to be revealed

The three types of close encounters - sightings, fleeting interactions and aliens taking humans for extended periods, meeting real people who have experienced alien-life up close

Eye-witness accounts and footage, plus expert analysis and innovative special effects show what UFOs might see from their own perspective

The areas around the world that seem to keep attracting UFOs. Objects seemingly return to the same skies overhead across decades, as if taunting witnesses below

An examination of a video showing a strange formation of flickering lights. Plus, a mysterious humanoid creature caught on camera in an abandoned attic

An examination of a recent caught-on-camera sighting of Chupacabra outside an Amarillo Zoo. Plus, whether a photograph taken over Costa Rica the greatest UFO picture ever taken

The startling images captured by satellites of a structure in North Korea that may be sinister evidence of a looming nuclear threat

Investigating unusual patterns in an English field that could be an alien message, and a secret military facility in the Nevada desert

The images of a cave in Iceland that could hold alien secrets. Plus, military structures in the Utah desert and a bloody stain in the sands of Saudi Arabia

The popular theories behind the Phoenix Lights, a series of widely sighted UFOs observed in Arizona and Nevada back in 1997

The theories behind where the Ark of the Covenant - an artefact thought to be the most sacred relic of the Israelites - may be hidden

The theories behind the disappearance of former New York Supreme Court judge Joseph Force Crater in 1930, a case which remains unsolved

The legendary beasts believed to roam the earth and the seas. The Hollywood actor considers whether there is any proof they have actually been unleashed to wreak havoc

The Battle of Sekigahara, which saw Tokugawa Ieyasu emerge victorious over his rival Ishida Mitsunari, uniting Japan under the Tokugawa shogunate

The veteran actor is joined by experts in the field to contemplate the many factors concerning the formation of planet Earth that remain far from understood

The veteran actor investigates the possible existence of unlikely creatures such as the mothman, chupacabra and Mongolian death worm

A look at perplexing and unusual objects. This episode focuses on a lost language, a beauty machine and something called the Disk of Strangeness

Experts investigate why so many UFO sightings take place in Los Angeles, and believe the answer may lie underwater

Previously sealed documents hint at compelling new theories about extraterrestrials as experts question whether former US presidents may have been concealing the truth

Experts examine the possibility that life began on Mars and travelled to Earth, and assess the plans aliens may have in store for the human race if they really do exist