Richard Hammond''s Mysteries of the World: Alien Encounters

Richard Hammond - TV presenter and self-confessed mystery addict - is on a quest to uncover the truth behind the rumours and whispers around some of the world''s strangest alien encounters.

Have you ever spotted a UFO? Are you in danger of alien abduction? And what did happen at Roswell?

Don''t miss this instalment in the incredible series by Britain''s best-loved TV personality. Explore the world''s greatest mysteries - all from the comfort of your armchair!