Movies and TvShows featuring "alien-doppelganger" theme.

In this comedy film, a police officer from Saint-Tropez finds himself facing an alien invasion. As he investigates the mysterious creatures from outer space, chaos ensues in the picturesque town. With the help of his fellow officers and some unusual allies, he must save the day and restore peace to Saint-Tropez.

In the small town of Sand Rock, Arizona, an astronomer named John Putnam witnesses a meteorite crashing to Earth. He later discovers that the meteorite was actually an alien spacecraft and tries to convince his fellow citizens of an impending alien invasion. However, no one believes him except for his girlfriend and a few others. As the town becomes divided between those who believe in the existence of the aliens and those who don't, John must find a way to protect his loved ones and stop the invasion.

In 2004, Bella Goth disappears without a trace. Nearly a decade later, her teenage children, Cassandra and Alexander, uncover a secret: their mother’s disappearance was not natural — and may still be preventable. Using experimental time-travel technology, the siblings go back to 1984 to find their young mother and warn her about what’s to come. But time is fragile. Their well-meaning interference causes unforeseen changes to the present. When Cassandra and Alexander return to 2013, they find everything... perfect. Bella never vanished. Their childhood was happy. Their family is intact. But something feels wrong. Reality is unraveling beneath their feet. The price of rewriting history is catching up.