Code Name: Eternity
2004
Code Name: Eternity is a Canadian science fiction series that ran for 26 episodes starting in 1999. It was later shown on the Sci Fi Channel in the United States. The plot involves an alien scientist, David Banning, who comes to Earth and assumes human form in order to perfect technology which will radically change Earth's environment to be suitable for habitation by his own species, i.e. planetary engineering. imdb.com