Chicago Fire

CHICAGO FIRE -- "Put White On Me" Episode 617 -- Pictured: Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 17 takeaways: Put White On Me

Chicago Fire season 6, episode 17 recap: Put White On Me

Kim Delaney: Meet the actress playing Kelly Severide’s mother

Chicago Fire season 6, episode 17 preview: Put White On Me

CHICAGO FIRE -- "Put White On Me" Episode 617 -- Pictured: (l-r) Joe Minoso as Joe Cruz, Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 17 photos: Put White On Me

NBCUNIVERSAL EVENTS -- "One Chicago Day" -- Pictured: (l-r) Taylor Kinney, "Chicago Fire"; Derek Haas, Executive Producer at the "One Chicago Day" event at Lagunitas Brewing Company in Chicago, IL, on October 30, 2017 -- (Photo by: Parish Lewis/NBC)

Chicago Fire showrunner Derek Haas releases new novel

CHICAGO FIRE -- "Put White On Me" Episode 617 -- Pictured: Kara Killmer as Sylvie Brett, Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 17 synopsis and promo: Put White On Me

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 April 2 to April 8

CHICAGO MED -- "Lock It Down" Episode 314 -- Pictured: Roland Buck III as Noah Sexton -- (Photo by: Elizabeth Sisson/NBC)

One Chicago crossovers: Guest stars for the week of April 3

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: Yuri Sardarov as Otis -- (Photo by: Elizabeth Morris/NBC)

One Chicago moment of the week: Otis’s struggle, Chicago Fire

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Joe Minoso as Joe Cruz -- (Photo by: Elizabeth Morris/NBC)

One Chicago ratings report: Week of March 27

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: Miranda Rae Mayo as Stella Kidd -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 16 takeaways: The One That Matters Most

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: (l-r) Daniel Di Tomasso as Zach Torbett, Miranda Rae Mayo as Stella Kidd, Christian Stolte as Mouch, Eamonn Walker as Wallace Boden, David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 16 recap: The One That Matters Most

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: (l-r) Gary Cole as Chief Carl Grissom, Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 16 preview: The One That Matters Most

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 16 photos: The One That Matters Most

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 16 synopsis and promo: The One That Matters Most

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: (l-r) Joe Minoso as Joe Cruz, Brian Tee as Ethan Choi -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 16 exclusive clip: What’s next for Otis?

CHICAGO FIRE -- "The One That Matters Most" Episode 616 -- Pictured: (l-r) Joe Minoso as Joe Cruz, Brian Tee as Ethan Choi -- (Photo by: Elizabeth Morris/NBC)

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

CHICAGO FIRE -- "The Chance To Forgive" Episode 615 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett, Monica Raymund as Gabriela Dawson, Christian Stolte as Mouch -- (Photo by: Elizabeth Morris/NBC)

One Chicago ratings report: Week of March 20

CHICAGO FIRE -- "Looking For A Lifeline" Episode 614 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

Station 19 vs. Chicago Fire: How do they compare?

CHICAGO FIRE -- "The Chance To Forgive" Episode 615 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 14 and episode 15 takeaways

CHICAGO FIRE -- "The Chance To Forgive" Episode 615 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Christian Stolte as Mouch, Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 14 and episode 15 recap

CHICAGO FIRE -- "The Chance To Forgive" Episode 615 -- Pictured: (l-r) Taylor Kinney as Kelly Severide, Jesse Spencer as Matthew Casey -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 14 and episode 15 preview

CHICAGO FIRE -- "Looking For A Lifeline" Episode 614 -- Pictured: (l-r) Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire showrunner Derek Haas teases two-hour event

CHICAGO FIRE -- "The Chance To Forgive" Episode 615 -- Pictured: Miranda Rae Mayo as Stella Kidd -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 14 and episode 15 photos

CHICAGO FIRE -- "The Chance To Forgive" Episode 615 -- Pictured: (l-r) Taylor Kinney as Kelly Severide, Eamonn Walker as Wallace Boden -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 14 and episode 15 synopsis and promo

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 March 19 to March 25

CHICAGO P.D. -- "Ghosts" Episode 518 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, Titus Welliver as Ronald Booth -- (Photo by: Matt Dinerstein/NBC)

One Chicago crossovers: Guest stars for the week of March 20