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.

While breaking up a bonfire party, the station 42 crew is called to complete a dangerous and highly complex cave rescue.

When a family refuses to evacuate their property during a massive wildfire that is escalating quickly, Jake is faced with a heartbreaking decision.

The station 42 and third rock crews respond to a chemical plant after a dangerous toxic spill goes up in flames.

The station 42 crew must protect Edgewater and take cover when an extremely rare and dangerous fire tornado leaves lives in peril.

After a fire camp inmate escapes from Three Rock, the deputy sheriff with a surprising connection to the Leones, Mickey, is called to investigate.

The future of Three Rock is in jeopardy as public opinion of the camp grows increasingly negative.

With the future of Three Rock in jeopardy, Station 42 and Three Rock host Edgewater's 22nd Annual Firefighters' Ball in an effort to impress the governor and save the camp. Meanwhile, Gabriela's mom, Roberta, makes a surprise appearance at the event.

Gabriela prepares to walk down the aisle on her wedding day as Bode receives some surprising news.