All 3 teams chase in Mississippi and Alabama.

The teams are all near St. Louis as they chase the worst storms in over 50 years.

Reed Chases a tornado at night and the TWISTEX team has mechanical issues.

After witnessing the worst tornado outbreak in over 50 years all the teams help with the recovery effort.

Team Dominator takes the day off, but when Team TIV scores a victory in Reed's own backyard, Reed vows to chase with a vengeance. Meanwhile, tensions within Team Twistex continue to rise as Tim grows more cautious while chasing storms in Kansas.

A tornado outbreak could hit in team Dominator's home.

Team Dominator warns people about a unhappy storm; Sean Casey tries Team TIV's patience.

It's the last chase of the season, and Mother Nature is going out with a bang. Team Dominator is chasing a monster tornado for a radar intercept. Team TWISTEX has one last chance to deploy their probe in its path, and the TIV team is on a collision with.