With a record-breaking tornado season already underway, Josh and Sean race to get the new DOW6 and the bigger, badder Tornado Intercept Vehicle, TIV2, on the road. Reed, meanwhile, has been chasing for weeks, already surviving a harrowing near miss a... (more)nd a hailstorm that takes out the TVN's windshield. The DOW and TIV finally get out the gate, but it's the SCOUT team that faces the first big challenge -- a dangerous night chase.