Year: 2018

CHICAGO FIRE -- "The Whole Point of Being Roommates" Episode 608 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Monica Raymund as Gabriela Dawson -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 8 preview: The Whole Point of Being Roommates

Chicago PD season 5, episode 11 takeaways: Confidential

Chicago PD season 5, episode 11 recap: Confidential

Chicago Fire season 6, episode 8 photos: The Whole Point of Being Roommates

CHICAGO P.D. -- "Confidential" Episode 511 -- Pictured: Marina Squerciati as Kim Burgess -- (Photo by: Matt Dinerstein/NBC)

Chicago PD season 5, episode 11 preview: Confidential

CHICAGO MED -- "Ties That Bind" Episode 306 -- Pictured: Brian Tee as Ethan Choi -- (Photo by Elizabeth Sisson/NBC)

Chicago Med season 3, episode 6 takeaways: Ties That Bind

CHICAGO MED -- "Ties That Bind" Episode 306 -- Pictured: Nick Gehlfuss as Will Halstead -- (Photo by Elizabeth Sisson/NBC)

Chicago Med season 3, episode 6 recap: Ties That Bind

CHICAGO P.D. -- "Confidential" Episode 511 -- Pictured: Elias Koteas as Alvin Olinsky -- (Photo by: Matt Dinerstein/NBC)

Chicago PD season 5, episode 11 photos: Confidential

CHICAGO FIRE -- "The Whole Point of Being Roommates" Episode 608 -- Pictured: Kara Killmer as Sylvie Brett -- (Photo by: Elizabeth Morris/NBC)

CHICAGO MED -- "Ties That Bind" Episode 306 -- Pictured: Nick Gehlfuss as Will Halstead -- (Photo by Elizabeth Sisson/NBC)

Chicago Med season 3, episode 6 preview: Ties That Bind

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 January 8 to January 14

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

CHICAGO FIRE -- "The Whole Point of Being Roommates" Episode 608 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Jon Seda as Antonio Dawson -- (Photo by: Elizabeth Morris/NBC)

One Chicago crossovers: Guest stars for the week of January 9

CHICAGO MED -- "Ties That Bind" Episode 306 -- Pictured: (l-r) Oliver Platt as Daniel Charles, Rachel DiPillo as Sarah Reese -- (Photo by Elizabeth Sisson/NBC)

Chicago Med season 3, episode 6 photos: Ties That Bind

CHICAGO FIRE -- "A Man's Legacy" Episode 607 -- Pictured: Christian Stolte as Mouch -- (Photo by: Elizabeth Morris/NBC)

One Chicago ratings report: Week of January 2

CHICAGO PD -- Season: 1 -- Pictured: (l-r) LaRoyce Hawkins as Detective Kevin Atwater, Amy Morton as Sgt. Trudy Platt, Marina Squerciati as Officer Kim Burgess, Brian Geraghty as Officer Sean Roman, Jon Seda as Det. Antonio Dawson, Jason Beghe as Sgt. Hank Voight, Sophia Bush as Det. Erin Lindsay, Jesse Lee Soffer as Det. Jay Halstead, Patrick Flueger as Det. Adam Ruzek, Elias Koteas as Det. Alvin Olinksy -- (Photo by: Paul Drinkwater/NBC)

Chicago PD celebrates its fourth anniversary

CHICAGO MED -- "Ties That Bind" Episode 306 -- Pictured: (l-r) S. Epatha Merkerson as Sharon Goodwin, Eddie Jemison as Dr. Stohl, Marlyne Barrett -- (Photo by Elizabeth Sisson/NBC)

CHICAGO JUSTICE -- "Tycoon" Episode 103 -- Pictured: Philip Winchester as Peter Stone -- (Photo by: Parrish Lewis/NBC)

One Chicago Center’s first anniversary: Our 5 best stories

CHICAGO P.D. -- "Confidential" Episode 511 -- Pictured: Jason Beghe as Hank Voight -- (Photo by: Matt Dinerstein/NBC)

New Year’s resolutions for our favorite One Chicago characters

CHICAGO P.D. -- "My Way" Episode 112 -- Pictured: (l-r) Jon Seda as Antonio Dawson, America Olivio as Laura Dawson -- (Photo by: Matt Dinerstein/NBC)

America Olivo’s birthday: Looking back at Chicago PD’s Laura Dawson

CHICAGO FIRE -- "A Man's Legacy" Episode 607 -- Pictured: Yuri Sardarov as Otis -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 7 takeaways: A Man’s Legacy

CHICAGO FIRE -- "A Man's Legacy" Episode 607 -- Pictured: (l-r) David Eigenberg as Christopher Herrmann, Miranda Rae Mayo as Stella Kidd -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6 midseason premiere recap: A Man’s Legacy

CHICAGO FIRE -- "A Man's Legacy" Episode 607 -- Pictured: Kara Killmer as Sylvie Brett -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6 midseason premiere preview: A Man’s Legacy

CHICAGO FIRE -- "A Man's Legacy" Episode 607 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Elizabeth Morris/NBC)

Derek Haas talks Chicago Fire season 6 so far, and what’s next

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5, episode 10 takeaways: Rabbit Hole

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: Jesse Lee Soffer as Jay Halstead -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5 midseason premiere recap: Rabbit Hole

CHICAGO FIRE -- "A Man's Legacy" Episode 607 -- Pictured: Miranda Rae Mayo as Stella Kidd -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6, episode 7 photos: A Man’s Legacy

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: (l-r) Jason Beghe as Hank Voight, Tracy Spiridakos as Hailey Upton, Jesse Lee Soffer as Jay Halstead -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5, episode 10 preview: Rabbit Hole