The station 42 crew must protect Edgewater and take cover when an extremely rare and dangerous fire tornado leaves lives in peril.
The station 42 and third rock crews respond to a chemical plant after a dangerous toxic spill goes up in flames.
While breaking up a bonfire party, the station 42 crew is called to complete a dangerous and highly complex cave rescue.
Bode is back in prison where he receives some shocking news. Meanwhile, the station 42 crew responds to a massive earthquake that rocks Edgewater to its core.
The station 42 and Three Rock crews face a daring rescue when a massive mudslide tears through Edgewater. Meanwhile, Bode’s freedom is on the line at his parole hearing.
The station 42 crew responds to an out-of-control blaze at a wellness retreat, and the third rock crew tries to protect one of their own from a dangerous overdose.
The crews respond to mass chaos and injuries when a ride malfunctions at the annual Edgewater town fair. Meanwhile, Sharon receives life-changing news.
A former inmate firefighter harboring a grudge against Sharon returns to carry out his revenge.
A box truck crashes into the station, causing a power outage and triggering a dangerous fire. Meanwhile, Sharon and Bode’s ex-girlfriend, Cara, face multiple medical emergencies.
The school counsellor advises Carter to take her studies more seriously; Taylor learns the truth.
Taylor throws herself into planning a big school event and Carter tries to make sense of it.
Pete fights over a pair of shoes with a man in a wheelchair. Taco teaches a dog to recognize the scent of sex. Jenny and Kevin get Ellie a piano.
Neal must infiltrate a company of corrupt Wall Street brokers to preserve his deal with the FBI. When Peter is forced to go undercover alongside him, a discovery is made…