older movie where alien pretends to be human

When an alien takes the form of a young widow's husband and asks her to drive him from Wisconsin to Arizona, the government tries to stop them.

Legendary NASA robotics engineer and best-selling science fiction author, Gentry Lee, has spent a lifetime seeking an answer to the ultimate cosmic question: Are we alone in the universe? At age 82 he has come to a revelatory conclusion.

Thomas Jerome Newton is an alien who has come to Earth in search of water to save his home planet. Aided by lawyer Oliver Farnsworth, Thomas uses his knowledge of advanced technology to create profitable inventions. While developing a method to transport water, Thomas meets Mary-Lou, a quiet hotel clerk, and begins to fall in love with her. Just as he is ready to leave Earth, Thomas is intercepted by the U.S. government, and his entire plan is threatened.

An extraterrestrial alien arrives on Earth at a turning point in human evolution and must confront his own past to determine our future.

An alien is left behind on Earth and saved by the 10-year-old Elliot who decides to keep him hidden in his home. While a task force hunts for the extra-terrestrial, Elliot, his brother, and his little sister Gertie form an emotional bond with their new friend, and try to help him find his way home.

A behind-the-scenes documentary about the making of Steven Spielberg's 1982 film "E.T. the Extra-Terrestrial."

Jack Halsey takes his wife, their adult kids, and a friend for a dream vacation in Kenya. But as they venture off alone into a wilderness park, their safari van is flipped over by an angry rhino, leaving them injured and desperate. Then, as two of them go in search of rescue, a bloody, vicious encounter with a leopard and a clan of hyenas incites a desperate fight for survival.

A scientist, Dr Hollander, takes his niece Miranda to Mexico in an attempt to reverse the effects of the alien DNA he used to create her. However the treatment goes horribly wrong, and sets Miranda on a killing spree as she sets out to find a mate.

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

The residents of San Francisco are becoming drone-like shadows of their former selves, and as the phenomenon spreads, two Department of Health workers uncover the horrifying truth.