The order of "The Purge" movie series is as follows: 1. **The Purge** (2013) - The original film introduces the concept of a 12-hour period where all crimes are legal. 2. **The Purge: Anarchy** (2014) - The sequel expands on the chaos outside during the Purge night. 3. **The Purge: Election Year** (2016) - This installment focuses on a presidential candidate aiming to end the Purge. 4. **The First Purge** (2018) - A prequel that explores the origins of the Purge phenomenon. 5. **The Forever Purge** (2021) - The fifth film depicts the aftermath of the Purge and the fight for survival.

"The First Purge" is a 2018 horror-thriller film directed by Gerard McMurray. It serves as a prequel to the "Purge" series, exploring the origins of the annual event known as the Purge, where all crime is legal for one night. Set in a dystopian future, the film follows a group of residents in Staten Island who participate in a government-sponsored experiment to test the effects of the Purge. As the night unfolds, chaos ensues, revealing the dark consequences of the violent event and the societal implications behind it.

"The First Purge" is available for streaming on platforms like Amazon Prime Video, Hulu, and Peacock. You can also rent or purchase it through services such as Google Play, YouTube, Vudu, and Apple TV. Availability may vary based on your region, so it's a good idea to check your preferred service for access.

"The First Purge" is not based on a true story; it is a fictional horror film and the fourth installment in "The Purge" franchise. The movie explores a dystopian future where, in an attempt to reduce crime, the government allows a 12-hour period of lawlessness. The premise is entirely fictional, created by writer James DeMonaco, and serves as a social commentary on issues like class, race, and violence in society. While it reflects real societal tensions, it is not based on actual events.