: Lieutenant Pelham (Brett Dalton) joins Firehouse 51 temporarily to fill the void left by Casey.
Chicago Fire Season 10 is a milestone year for the series, marked by its 200th episode, a major cast departure, and high-stakes rescues. Key Storylines and Moments Chicago Fire - Season 10
: The season opens with a gripping conclusion to the cliffhanger where Squad 3 was trapped underwater. New Characters and Cast Changes : Lieutenant Pelham (Brett Dalton) joins Firehouse 51