Chicago Fire spoilers: Why is Casey leaving Chicago Fire?

CHICAGO FIRE -- "Two Hundred" Episode 1005 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Lori Allen/NBC)
CHICAGO FIRE -- "Two Hundred" Episode 1005 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Lori Allen/NBC) /

Leading up to the 200th episode of Chicago Fire, showrunner Derek Haas had warned us the episode was going to be intense and one we wouldn’t soon forget and the episode fully lived up to that promise.

In the weeks leading up to the episode, questions began to swirl regarding the future of Casey (Jesse Spencer) beginning with the re-introduction of Griffin Darden (Cameron Scott Roberts), the son of Casey’s late friend and fellow firefighter Andy Darden (Corey Sorenson).

After Griffin returned to Chicago to visit Casey, Casey returned the favor in making his way out to Oregon to visit Griffin and his brother. In doing so, it became clear to Casey that the boys needed someone in their corner which left Casey pondering a move to Oregon to become their foster parent.

The storyline seemed like a potential exit storyline and in the 200th episode, those suspicions were finally confirmed as Casey exited the series in what was an emotional and unforgettable episode.

Why is Matt Casey leaving Chicago Fire?

So why exactly is Matt Casey leaving Chicago Fire?

In season 10, episode 4, Casey traveled out to Oregon to visit Griffin and Ben Darden. While visiting the pair, it became evident to him that the brothers were in desperate need of a parental figure which inspired Casey to submit an inquiry about bringing the brothers back to Chicago as their guardian.

However, it became evident that the only way Casey could foster the brothers was if he moved to Oregon. Upon returning to Chicago, it was clear the decision was weighing heavily on Casey but that he knew what had to be done.

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After careful consideration, Casey chose to leave behind his life in Chicago in order to move to Oregon so that he could care for both Griffin and Ben as their guardian. In the 200th episode, Casey bid farewell to his 51 family and the city of Chicago in what was his sendoff storyline.

The good news is the door was left open so that Casey can return in the future, as for when that might be? That is unknown but given how many times Casey mentioned being out in Oregon for at least three years, we have a feeling it might be some time before we see Casey back in town.

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For the latest Chicago Fire season 10 spoilers and news, plus more on the entire series, follow the Chicago Fire category at One Chicago Center.