Storm Chasers

Tornado season erupts early in Oklahoma. Meteorologist Reed Timmer gets his new Dominator too close, weather engineer Tim Samaras chases multiple storms, and filmmaker Sean Casey battles a rain-wrapped monster.

A huge wedge impacts in the Texas Panhandle, and the unbelievable happens: A beautiful yet dangerous second tornado drops right in front of the chasers.

Meteorologist Reed Timmer steps up his science game to take on atmospheric scientist Dr. Josh Wurman's massive research project, but his partner Joel Taylor has second thoughts. Sean Casey makes a drastic decision.

Reed Timmer's new radar propels him from aggressive chaser to extreme scientist. As the perfect storm rages in Missouri, both Reed and Tim Samaras chase a violent rain-wrapped tornado.

Chasers Reed Timmer, Sean Casey and Tim Samaras take on the strongest tornado conditions of the season, and nature responds with twisters too close to home.

Sean Casey's and Tim Samaras' teams face a huge, rain-wrapped monster tornado. Reed Timmer launches a remote-controlled plane, but he finds himself surrounded by powerful vortices with no time to get out of their way.

In Wyoming, filmmaker Sean Casey's meteorologists finally put him in position to capture the shot of a lifetime. Josh Wurman's team makes history, collecting the most complete tornado life cycle data ever recorded.

On the last chase of the season in Nebraska, Reed Timmer and Tim Samaras chase multiple vortices. Mother Nature dominates when an EF-3 monster touches down right on top of Reed's armored research vehicle.