A selection of the best ufo related documentaries worth watching is on utoobe (spelt wrong deliberately so as not appear to be affiliated with an advertising interweb archon) - also check out the internationally commercially available documentary series of Ancient Aliens, the ufo files, the unexplained files, in search of aliens and Unsealed Alien Files. also The 'Ufo store' has every old ufo documentary in its massive archive - well worth the visual experience ... so go forth and explore ...