Avatar (2009 film) title refers to a genetically engineered Na'vi body operated from the brain of a remotely located human that is used to interact with the natives of Pandora. Development of "Avatar" began in 1994, when Cameron wrote an 80-page treatment for the film. Filming was supposed to take place after the completion of Cameron's 1997 film "Titanic", for a planned release in 1999, but, according to Cameron, the necessary technology was not yet available to achieve his vision of the film. Work on the language of the film's extraterrestrial beings began in 2005, and Cameron began developing the screenplay and fictional
James Cameron filmography debut in 1998 playing himself in the sitcom "Mad About You". Two years later he executive produced the science fiction television series "Dark Angel" (2000) starring Jessica Alba. In 2005, he appeared in two documentaries about the sinking of the RMS Titanic: "Last Mysteries of the Titanic", and "Tony Robinson's Titanic Adventure". He also made appearances as himself on the comedy-drama television series "Entourage" that same year. Cameron followed this by executive producing two biblical documentaries, "The Exodus Decoded" (2006) and "Lost Tomb of Jesus" (2007). He executive produced and appeared in a third Titanic related documentary, "Titanic: Final Word