Chicago Fire

Firehouse 51 will forever be changed on the season three premiere.

Severide returns to work still reeling from a devastating loss.

A dangerous fire truck collision sends two firehouses in turmoil.

Dawson begins a new chapter at Firehouse 51.

With a new candidate comes a new dynamic at the Firehouse.

Casey goes to great lengths to protect his sister.

A routine house fire reveals evidence that demands the attention of the CPD-- story arc crosses over into "Chicago P.D." and "Law & Order: SVU".

Firehouse 51 is called to the scene of a harrowing and challenging disaster.

At Firehouse 51 some relationships are tested, while others are strengthened .

A victim takes credit for a textbook rescue by Chicago's finest.

Two firehouse members are abducted, triggering a desperate search by the Chicago P.D.

Surprising evidence is uncovered that sheds new light on the fire that killed Shay.

The search for the serial arsonist leads Severide to meet face-to-face with an old enemy.

Chicago's finest are left to work in treacherous conditions when a severe ice storm forces its residents into a citywide lockdown.

Boden is forced to take time away and his temporary replacement quickly falls out of favor with members of Firehouse 51,

Tensions come to a head and careers are put in jeopardy when interim Chief Pridgen squares off against Casey.

Firehouse 51 gets a visit from an old friend of Severide's while Mouch faces his fears about meeting his kid.

Herrmann saves an infant in a blaze and the repercussions drive him on a search to uncover the truth.

The Chicago Fire Team works seamlessly with Chicago Med personnel to help aid victims of a deadly gas leak, but things quickly take a turn for the worse when the hospital is suddenly forced into quarantine.

Mills makes a critical assessment at the scene of an accident.

A fire reveals evidence of a potential serial arsonist who has been on the loose for more than a decade and demands the attention of the CPD and SVU.

Tensions between Squad and Truck begin to boil over threatening to divide the house, while Casey goes undercover.

Boden takes charge as divisions continue to threaten the cohesion of the house in the season finale.