Station 19

A violent tornado rips through Seattle.

Maya admits to blackmail.

The crew responds to a scene where two teens are trapped in an electric car.

A fire at a Halloween carnival.

Travis gets caught in the crosshairs of dirty politics.

A lightning storm crashes a helicopter.

After a terrifying lightning strike, the crew works overtime to extinguish a fire at Meredith Grey's home; Maya is rushed to the hospital for a medical emergency.

Dixon threatens Natasha in the aftermath of his poor judgement; Jack is met with disappointment on his first day back; the team responds to a fire in Theo's old neighborhood.

Theo realizes there is an uptick of fires in his old neighborhood and finds himself returning; Sullivan greets a patient with a large chest burn; Carina treats a pregnant patient who presents her with an offer.

A simulation fire training goes dangerously wrong; Maya tries to make amends, and Bailey encourages Carina to listen; Jack's sister shows up at the station with a friend, an injury and an attitude.

The team is forced to make a risky call that could cost them dearly after Tomás' barbershop catches fire; Diane drops by the station and is called back into action alongside Vic and Carina; Beckett makes a decision about his future.

A call from a social media star's livestream sends the team on an unusual rescue; Travis' mayoral campaign takes off, much to his chagrin; Ben treats a patient with a surprising diagnosis.

The crew gets in the middle of a family dispute; Bailey and Carina go under cover at a crisis pregnancy center; Travis preps with Eli for a mayoral town hall.

Emotions boil over at the station as the team chafes against Theo's leadership style; Carina enlists Ben and Maya to help her with a patient in an uncomfortable position; Natasha and Sullivan's relationship hits a roadblock.

A shoddily assembled structure poses a dangerous challenge for the team; Maya and Carina work to get their relationship back on track; Natasha must decide what -- or whom -- she wants to prioritize.

The team responds to a tragic freeway pileup; Andy helps Natasha face the fallout of a recent decision just as Ben deals with the fallout of his own.

All eyes on the mayoral race; Andy, Theo and Sullivan vie to be named captain; Vic forges an unexpected bond after going rogue.

The Station 19 crew attends the Firefighters Ball, but are called away when disaster strikes.