Chicago Fire

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: Eamonn Walker as Battalion Chief Wallace Boden -- (Photo by: Jean Whiteside/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Jean Whiteside/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: (l-r) Lauren German as Leslie Shay, Monica Raymund as Gabriella Dawson -- (Photo by: Jean Whiteside/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: (l-r) Charlie Barnett as Peter Mills, David Eigenberg as Christopher Herrmann, Yuri Sardarov as Otis -- (Photo by: Jean Whiteside/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Matt Dinerstein/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: (l-r) Taylor Kinney as Kelly Severide, Lauren German as Leslie Shay -- (Photo by: Matt Dinerstein/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: (l-r) Lauren German as Leslie Shay, Monica Raymund as Gabriella Dawson -- (Photo by: Matt Dinerstein/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Eammon Walker as Chief Wallace Boden, Taylor Kinney as Kelly Severide -- (Photo by: Matt Dinerstein/NBC)

CHICAGO FIRE -- "One Minute" Episode 104 -- Pictured: (l-r) Charlie Barnett as Peter Mills, Eamonn Walker as Battalion Chief Wallace Boden -- (Photo by: Matt Dinerstein/NBC)