GIANTS & Prometheus Info, etc.

www.prometheusnews.net, www.prometheus-movie.com, www.projectprometheus.com

http://blogs.indiewire.com/theplaylist/deconstructing-the-prometheus-trailer

This world could be one of several inhabited planets with a wide variety of life forms. 

Prison_Planet: www.infowars.com/secrets-of-prometheus-film-leaked, http://silverscreensaucers.blogspot.ca/2012/04/prometheus-ridley-scott-alex-jones-and.html   

Genes-Giants-Monsters-Men-Surviving by Joseph P. Farrell,
http://mysteriousuniverse.org/2012/03/the-death-valley-giants,

www.exohuman.com/wordpress/2012/04/prometheus, 

www.cosmicveil.com/aliens-and-ufos.html

http://science.howstuffworks.com/science-vs-myth/everyday-myths/parallel-universe.htm,

Many-worlds_interpretation, www.youtube.com

www.scientificamerican.com/article.cfm?id=hugh-everett-biography,

http://plato.stanford.edu/entries/qm-manyworlds/#1, www.youtube.com

http://space.mit.edu/home/tegmark/crazy.html, www.youtube.com,
www.scitechexplained.com/2010/05/the-multiverse-explaining-parallel-universes-video

Ancient Aliens & Prometheus have some interesting things in common. www.prometheusentertainment.com/programs_ancientaliens,
www.exohuman.com/wordpress/2012/01/why-did-ancient-aliens-come-here

However, time travel so far isn't part of this particular set of sci-fi of movies.

http://topdocumentaryfilms.com/ancient-aliens,
http://news.discovery.com/space/could-ancient-aliens-live-on-methuselah-planets-120304.html