
Exploring video evidence and testimony of the existence and nature of UFOs.

Taking a look at strange crafts flying over power plants, airports and the Royal Palace in Sweden, a veteran with supposed UFO-related health issues and footage shown at a US congressional hearing.

Investigating reports of UFOs massed over the South China Sea, ancient carvings of alienlike humanoids, and Albert Einstein's secret 1947 visit to Roswell, New Mexico.

A look at a series of metal cubes seen spinning in the sky over Earth; exploring the origin of an angel-shaped apparition; China's interest in aliens; a metal alloy that may power UFOs; scareships.

Digging into a UFO crash caught on camera in Brazil; a close encounter of the Beatles kind; finding out if aliens shut down a nuclear missile launch site in Montana; looking at the shapes of UFOs and considering a link between ghosts and aliens.