Signs - A Warning?

1 x 80 minute episode

Are the crop-circles of England messages from extra-terrestrials to mankind?

Has the most sophisticated technology available to man yet explained the appearance of the mysterious crop circles of England? Is it possible that these beautiful and intricate creations are the work of beings from another world?

Featuring fascinating eye-witness accounts, dramatic archive footage, rare photographs and images, and expert comment, this programme explores the history of the crop circle. It presents the latest chilling evidence that suggests that they could not have been made by man.

• Why are some crop circles formed after large balls of colour beam their light into a field?

• How did a crop circle suddenly appear in front of the British Prime Minister’s heavily-guarded house?

• What are their chilling links with mysterious ancient structures such as Stonehenge and the pyramids?