Eye of the Storm - S2.E8

Forced to take refuge from a tornado, Ro and Zeta meet two brothers, Dex and Carl, who are using an experimental process to disrupt tornados. They partially succeed, and the two fugitives join up with to get moving when their car is destroyed. With Zeta's input Carl the smart one manages to come up with a complete process, but pilot Dex gets the glory. Carl goes off on his own to take on another tornado and gets in over his head. With Zeta and Ro's help Dex rescues his brother and the two settle their differences.