Six teams of chasers brave Oklahoma backroads as a late spring warm front unleashes long-track tornadoes. As the biggest twister grows to EF-3 strength it destroys a weed farm and forces Reed onto dirt roads to make a drone intercept in the Dominator.

Top chasers track a stunning tornado outbreak in eastern South Dakota. When a violent EF2 blows through a farmstead, Brandon and Tanner race to the scene. Connor gets his best tornado of the season as Jordan teaches his brother the art of the chase.

Six teams of chasers pursue a violent tornado outbreak in North Dakota. But as day turns to night, the storm unleashes the first EF5 tornado in over a decade. As the mile-wide monster levels homes and farms, chasers race to rescue people and pets.

In the premiere episode, veteran chasers and a new generation of storm spotters and weather streamers compete for position during one of the season's most volatile tornado outbreaks. As a photogenic twister approaches the small town of Gary, South Dakota, each chaser angles to get ahead of the storm. But when extreme meteorologist Reed Timmer arrives with his high-tech armored vehicle, called "the Dominator," an unexpected fender bender disrupts the chase. Back on course, the chasers catch up with the fast-moving twister, but as it intensifies to EF-3 strength, it takes a terrifying turn. Realizing the tornado is about to destroy a farmhouse, chasers Brandon Copic and Will Vollman shift from storm chasers to first responders, launching a search-and-rescue mission inside the wreckage with the tornado still in sight.