The Best Episodes Written By David Gould

The crews respond to the scene of a train crash where the rescue has the potential to spiral out of control when they discover the train is full of illicit cargo, and Robin, an enigmatic modern-day train hopper, helps injured patients.

Juliette breaks down during an appearance on “Live with Kelly and Michael,” prompting Avery’s concern. But when she continues her pattern of irrational and volatile behavior, she leaves Avery with a struggle of his own. Meanwhile, Rayna is determined to show the world that Highway 65 is not just a vanity project and devises a plan to sign Markus Keen, one of the biggest rock artists around.

Rayna and Deacon try everything they can think of to reunite with Maddie and avoid court, even involving Teddy from jail. Juliette tries to rekindle her relationship with Avery, and her success on tour stokes Layla's jealousy, personally and professionally. Luke Wheeler leverages his own appearance on "Good Morning America" with Robin Roberts to try to jump start Will Lexington's career.

The Boston Marathon turns into a crime scene when a shooter begins targeting runners. Racing to catch the killer before another shooting, Jane and Maura must conduct their investigation in secret so as not to cause a mass panic.

A former inmate firefighter harboring a grudge against Sharon returns to carry out his revenge.

Jeff is forced to revisit his past when he is faced with his ex-fiancee. Maddie struggles with the news about Deacon's illness. Juliette is eager to get back to work after the birth of her daughter.

When the crew responds to a call in a remote forest, they come under fire by an outlaw protecting illegal marijuana crops.

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 Three Rock crews are called to a backfire started by a private firefighting company to protect a high-end winery but instead threatens to grow out of control.