Chicago Fire

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: Charlie Barnett as Peter Mills -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: (l-r) Yuri Sardarov as Otis, Christian Stolte as Mouch, Charlie Barnett as Peter Mills, Joe Minoso as Cruz, Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: Treat Williams as Bennie Severide -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: (l-r) Charlie Barnett as Peter Mills, Taylor Kinney as Kelly Severide, Yuri Sardarov as Otis -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: (l-r) Taylor Kinney as Kelly Severide, Yuri Sardarov as Otis, Treat Williams as Bennie Severide, Jesse Spencer as Matthew Casey -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: Eamonn Walker as Wallace Boden -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

CHICAGO FIRE -- "Fireworks" Episode 118 -- Pictured: (l-r) Joe Minoso as Cruz, Jesse Spencer as Matthew Casey -- (Photo by: Elizabeth Morris/NBC)