In the worst tornado outbreak in over half a century, Mississippi and Alabama are ravaged by hundreds of twisters. Towns are wiped clean off the map,...

On the first chase of the year, there's a storm headed toward downtown St. Louis. While Tim Samaras and his team chase too close to the beast, Reed...

After failing to find a twister on two consecutive chases, Reed Timmer and the Dominator team are desperate to chase one down. They're even desperate...

In the wake of the deadly and very large tornado outbreak (April 27, 2011), all three chase teams take time to help with the recovery effort. Team...

Reed Timmer and his team take the day off, but when Sean Casey's team scores a victory in Reed's own backyard, the meteorologist vows to chase with a...

A tornado outbreak threatens to wreak havoc in Reed Timmer's backyard. Sean Casey's team follows their navigator's bold prediction, and tension...

Team Dominator risks everything to warn people in the path of a violent storm, but internal conflicts causes driver Joel to leave, complicating Team...

On the last chase of the season, Reed Timmer's team chases a monster tornado for a radar intercept, and Tim Samaras' team has one last chance to...

Behind the scenes with cast and crew.