THE SERIES FINALE TOMORROW 10/9C

Six seasons come to a moving and unforgettable end.

THE LIVE FINALE TOMORROW 8/7C

The final three contestants join their trainers and former teammates for the Season 18 finale.

NEXT WEEK: THE TWO-NIGHT CROSSOVER

Next Tuesday and Wednesday, Chicago Fire and Chicago P.D. unite to form #OneChicago as they hunt down the arsonist who killed Shay.

WATCH FULL EPISODES

New Next Week 8/7c. Catch up before next week's all-new episode.

WATCH FULL EPISODES

New Next Week 9/8c. Catch up before next week's all-new episode.