Join me as we bring the mysteries full circle and ask: what if time and reality are stranger than we think?

What if our reality isn't the only one? Explore the strange possibilities of parallel worlds, alternate timelines and other versions of ourselves.

When thousands of people remember something that never happened, is it a glitch in memory... or a glitch in reality?

What if you could travel back to yesterday? What if you could change something that already happened? And what if changing that event meant that you could never have travelled back in the first place? You have just walked into a paradox.

1947 America is beginning to look towards the skies. People start seeing strange objects flying overhead . Newspapers start talking about 'flying saucers'. Then the very first appearance of the Men in Black. So who or what are they? .

On this Episode, we investigate one of the oldest and most unsettling mysteries of all ... premonitions.

For as long as Humans have existed, we've reported seeing figures that shouldn't be there. Are ghosts the spirits of those who have died? Or are they simply tricks of the mind .

In a quite cottage in a rural Cheshire, an ordinary home computer became the centre of an extraordinary mystery.