24 episodes · 2012

Meet the firefighters and paramedics of Firehouse 51 as they face the intense demands of the job while dealing with personal losses, rivalries, and the weight of life-or-death decisions. Brotherhood and loyalty are forged in fire.

22 episodes · 2013

As the team recovers from past trauma, new threats and leadership changes test their unity. Relationships grow more complicated, and loyalties are pushed to the brink both inside and outside the firehouse.