The End of Oak Street

On July 10, 1982, aspiring novelist Denise Platt lives with her husband Greg, children Audrey and Brian, and dog Starbuck on Oak Street in the suburban town of Flowervale, Michigan. The couple's marriage is strained; Denise privately contemplates divorce, while Greg lies about his work. Initially, he told his family that he does pizza deliveries on the side, but it is actually his only job after being laid off.

The following day, Denise photographs a mysterious plant that suddenly appears in her neighbor's yard. The local librarian, Mrs. Valcourt, identifies it as Pleuromeia, which went extinct hundreds of millions of years ago. A giant pile of animal feces appears in neighbor Mel's yard. Radio broadcasts report increased solar-flare activity. During a storm, a huge white light suddenly engulfs Oak Street, accompanied by a change in atmospheric pressure, and a power outage.

When Denise and Greg search for Starbuck, who went missing in the storm, they discover Oak Street is surrounded by a prehistoric landscape from which dinosaurs emerge and start hunting and killing people in the neighborhood. The family boards up their windows and doors and Audrey concludes the flashes of light were wormholes that transported the entire neighborhood millions of years into the past.

Greg reveals he is aware of Denise's wish to divorce and confesses to losing his job. They see their neighbor Mel shooting at pterosaurs from his roof with a revolver before being violently killed and eaten. Later, Brian and Audrey venture outside after Brian sees Starbuck in their yard. Denise and Greg follow in their car after realizing the children are missing. Jeannette Christiansen, Brian's neighborhood crush, joins them after revealing her parents have been killed. Denise and Greg see a flash of light while trying to find the children, and follow it to a house containing a wormhole. They refuse to leave without their children, and the wormhole disappears. They evade a stampeding herd of dinosaurs, reconcile, and reunite with the kids.

When an Allosaurus attacks the group, Greg is killed protecting the others. The others flee and encounter the wormhole again above Mrs. Valcourt's house. They discover the wormhole appears and disappears at regular intervals. Jeannette jumps in and disappears, but Brian misses the opening and falls. A pterosaur grabs him, but Starbuck appears and attacks the creature. The group attempts to shelter inside the house, but are cornered by large crocodile-like reptiles. Mrs. Valcourt appears and kills one of the creatures with a double-barreled shotgun before being mauled by another, giving the family an opportunity to escape back to the roof. They jump through the wormhole together.

They return to July 11, 1982 and land in a backyard swimming pool, approximately twenty minutes before Oak Street was teleported away. Denise warns Oak Street residents to leave by calling from a payphone, prior to the white light appearing. Jeannette runs to warn her parents. Greg appears after Denise places a pizza delivery order to their location, where he is embraced by Denise and his kids. The white light appears again, engulfing the suburb as Oak Street disappears and is replaced by the prehistoric landscape.

Two years later, the military has contained the area while scientists study both the prehistoric environment and its wildlife in attempts to investigate the wormholes. Denise's warnings have made her a hero, and her book, titled The End of Oak Street, has made the family moderately wealthy. The film ends with the Platts and the Christiansens having a barbecue, with two identical Jeannettes.