Chicago Fire

CHICAGO P.D. -- "Profiles" Episode 516 -- Pictured: Marina Squerciati as Kim Burgess -- (Photo by: Matt Dinerstein/NBC)

One Chicago questions of the week: Week of March 13

One Chicago ratings report: Week of March 13

One Chicago winners and losers: Week of March 13

This week in One Chicago history: What happened from March 12 to March 18

CHICAGO FIRE -- "A Breaking Point" Episode 604 -- Pictured: Eloise Mumford as Hope Jacquinot -- (Photo by: Elizabeth Morris/NBC)

One Chicago crossovers: Guest stars for the week of March 13

CHICAGO FIRE -- "Hiding Not Seeking" Episode 613 -- Pictured: (l-r) Jesse Lee Soffer as Jay Halstead, Jason Beghe as Hank Voight, Eamonn Walker as Wallace Boden -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6 episode 13 recap: Hiding Not Seeking

CHICAGO FIRE -- "The Whole Point of Being Roommates" Episode 608 -- Pictured: Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 13 preview: Hiding Not Seeking

CHICAGO FIRE -- "Hiding Not Seeking" Episode 613 -- Pictured: (l-r) Joe Minoso as Joe Cruz, Kara Killmer as Sylvie Brett -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 13 photos: Hiding Not Seeking

NBCUNIVERSAL EVENTS -- "One Chicago Day" -- Pictured: (l-r) Executive Producers Eriq La Salle, Derek Haas, Rick Eld at the "One Chicago Day" event at Lagunitas Brewing Company in Chicago, IL, on October 30, 2017 -- (Photo by: Parish Lewis/NBC)

Rick Eid, Derek Haas dish on Chicago PD and Chicago Fire crossover

CHICAGO FIRE -- "Hiding Not Seeking" Episode 613 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Eamonn Walker as Wallace Boden -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 13 synopsis and promo: Hiding Not Seeking

CHICAGO MED -- "White Butterflies" Episode 222 -- Pictured: Jesse Lee Soffer as Jay Halstead -- (Photo by: Elizabeth Sisson/NBC)

One Chicago crossovers: Guest stars for the week of March 6

CHICAGO P.D. -- "Sisterhood" Episode 515 -- Pictured: Jesse Lee Soffer as Jay Halstead -- (Photo by: Matt Dinerstein/NBC)

One Chicago ratings report: Week of February 27

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 12 takeaways: The F Is For

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: (l-r) Christian Stolte as Mouch, Taylor Kinney as Kelly Severide, Joe Minoso as Joe Cruz, Miranda Rae Mayo as Stella Kidd -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 12 recap: The F Is For

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: Kara Killmer as Sylvie Brett -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 12 preview: The F Is For

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: (l-r) Taylor Kinney as Kelly Severide, Miranda Rae Mayo as Stella Kidd -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 12 photos: The F Is For

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: Eamonn Walker as Wallace Boden -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 12 synopsis and promo: The F Is For

CHICAGO FIRE -- Season: Pilot -- Pictured: (l-r) Teri Reeves as Hallie, David Eigenberg as Christopher Hermann, Charlie Barnett as Peter Mills, Lauren German as Leslie Shay, Monica Raymund as Gabriella Dawson, Taylor Kinney as Kelly Severide, Jesse Spencer as Matthew Casey, Eamonn Walker as Battalion Chief Wallace Boden -- (Photo by: Sandro/NBC)

This week in One Chicago history: What happened from February 26 to March 4

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Daniel Di Tomasso as Zach Torbett -- (Photo by: Elizabeth Morris/NBC)

One Chicago crossovers: Guest stars for the week of February 27

CHICAGO FIRE -- "Virgin Skin" Episode 214 -- Pictured: (l-r) Charlie Barnett as Peter Mills, David Eigenberg as Christopher Herrmann, Christian Stolte as Mouch -- (Photo by: Elizabeth Morris/NBC)

February flashback: Chicago Fire season 2, episode 14

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

What needs to happen before Chicago Fire season 6 ends

CHICAGO P.D. -- "Confidential" Episode 511 -- Pictured: (l-r) Jason Beghe as Hank Voight, Elias Koteas as Alvin Olinsky -- (Photo by: Matt Dinerstein/NBC)

One Chicago teams who should be on The Amazing Race

CHICAGO FIRE -- "Law of the Jungle" Episode 611 -- Pictured: Christian Stolte as Mouch -- (Photo by: Elizabeth Morris/NBC

Chicago Fire season 6 ratings: Should fans be worried?

Kelly Severide (Taylor Kinney) in Chicago Fire season 1, episode 16. Photo Credit: Courtesy of NBC.

February flashback: Chicago Fire season 1, episode 16

CHICAGO FIRE -- Season: Pilot -- Pictured: (l-r) Teri Reeves as Hallie, David Eigenberg as Christopher Hermann, Charlie Barnett as Peter Mills, Lauren German as Leslie Shay, Monica Raymund as Gabriella Dawson, Taylor Kinney as Kelly Severide, Jesse Spencer as Matthew Casey, Eamonn Walker as Battalion Chief Wallace Boden -- (Photo by: Sandro/NBC)

This week in One Chicago history: What happened from February 19 to February 25

CHICAGO FIRE -- Season: 6 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: John Tsiavis/NBC)

5 One Chicago characters we’d vote for as President

A scene from Chicago Fire season 3, episode 15. Photo Credit: Courtesy of NBC.

February flashback: Chicago Fire season 3, episode 15

Chicago Fire season 4, episode 15. Photo Credit: Courtesy of NBC

February flashback: Chicago Fire season 4, episode 15