Chicago Fire' Season 11 Finale: Hope for Brettsey, Plus Will

Kidd also makes a decision about Severide.

Chicago Fire' Season 11 Ends With Surprising Proposal – Deadline

Chicago Fire' Recap: Season 10 Finale, Episode 22 — Severide/Stella – TVLine

Chicago Fire' Fans, A New Video Might've Revealed Brett's Response to Casey's Proposal

Chicago Fire: Jesse Spencer Returns as Casey in Season 10 Finale Promo – TVLine

Chicago Fire Season 11 Report Card: Best Episode, Biggest Shocker, Worst Couple And More! - TV Fanatic

Chicago Fire' Ends Season 9 With Major Brettsey Moments & Lives on the Line (RECAP) – Oneida Dispatch

Matt Casey - News - IMDb

Andy Darden - News - IMDb

Chicago Fire': Is Sylvie Brett Leaving After Season 11 Finale?

Matt Casey

Chicago Fire' Fans, A New Video Might've Revealed Brett's Response to Casey's Proposal