Chicago Fire

CHICAGO FIRE -- "A Volatile Mixture" Episode 705 -- Pictured: (l-r) Joe Minoso as Joe Cruz, Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7, episode 5 photos: A Volatile Mixture

Chicago Fire season 7, episode 5 synopsis and promo: A Volatile Mixture

One Chicago ratings report: Week of October 17

One Chicago week in review: Week of October 17

CHICAGO FIRE -- "This Isn't Charity" Episode 704 -- Pictured: (l-r) Annie Ilonzeh as Emily Foster, Kara Killmer as Sylvie Brett -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 4 takeaways: This Isn’t Charity

CHICAGO FIRE -- "This Isn't Charity" Episode 704 -- Pictured: Yuri Sardarov as Otis -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 4 recap: This Isn’t Charity

CHICAGO FIRE -- "This Isn't Charity" Episode 704 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Jesse Spencer as Matthew Casey -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 4 preview: This Isn’t Charity

CHICAGO FIRE -- "This Isn't Charity" Episode 704 -- Pictured: Yuri Sardarov as Otis -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 4 live stream: Watch online

CHICAGO FIRE -- "This Isn't Charity" Episode 704 -- Pictured: (l-r) Annie Ilonzeh as Emily Foster, Kara Killmer as Sylvie Brett, Jeff Kurysz as Coach Dorman -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 4 photos: This Isn’t Charity

CHICAGO FIRE -- "This Isn't Charity" Episode 704 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Jesse Spencer as Matthew Casey -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 4 synopsis: This Isn’t Charity

“Cancel Christmas” – Pictured: Chris O'Donnell (Special Agent G. Callen), LL COOL J (Special Agent Sam Hanna) and Tye White (Aiden Hanna). When a suspected North Korean spy is poisoned and hit by a truck carrying Christmas trees, the team must search for who is responsible for smuggling spies into the country. Also, Deeks and Kensi try to find a way include their mothers in their Christmas plans, and Hetty notices that Granger isn’t feeling the holiday cheer. Photo: Neil Jacobs/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved.

Chicago Fire season 7 enlists NCIS: Los Angeles’s Tye White

CULVER CITY, CA - MAY 05: Actor Teddy Sears speaks at the screening of Showtime and Sony Pictures Television's "Masters Of Sex" at the Cary Grant Theater on May 5, 2015 in Culver City, California. (Photo by Michael Buckner/Getty Images)

Teddy Sears joins Chicago Fire season 7 in recurring role

CHICAGO FIRE. -- "Thirty Percent Sleight of Hand" Episode 703 -- Pictured: (l-r) Annie Ilonzeh as Emily Foster, Kara Killmer as Sylvie Brett -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 3 preview: Thirty Percent Sleight of Hand

CHICAGO FIRE. -- "Thirty Percent Sleight of Hand" Episode 703 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 3 live stream: Watch online

CHICAGO FIRE -- "Thirty Percent Sleight of Hand" Episode 703 -- Pictured: (l-r) Randy Flagler as Capp, Kara Killmer as Sylvie Brett, Christian Stolte as Randy "Mouch" McHolland, Miranda Raye Mayo as Stella Kidd -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 3 photos: Thirty Percent Sleight of Hand

CHICAGO FIRE. -- "Thirty Percent Sleight of Hand" Episode 703 -- Pictured: Taylor Kinney as Kelly Severide, Joe Minoso as Joe Cruz -- (Photo by: Adrian Burrows/NBC)

Chicago Fire season 7, episode 3 synopsis and promo: Thirty Percent Sleight of Hand

CHICAGO FIRE -- Season: 6 -- Pictured: Christian Stolte as Mouch -- (Photo by: John Tsiavis/NBC)

Chicago Fire’s Mouch mentoring is One Chicago moment of the week

ONE CHICAGO -- Pictured: "One Chicago" Key Art -- (Photo by: NBCUniversal)

One Chicago ratings report: Week of October 3

ONE CHICAGO -- Pictured: "One Chicago" Key Art -- (Photo by: NBCUniversal)

One Chicago week in review: Week of October 3

CHICAGO FIRE -- "Going to War" Episode 702 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7, episode 2 takeaways: Going To War

CHICAGO FRANCHISE -- Season: 2015 -- Pictured: (l-r) "Chicago P.D." top row; Marina Squerciati as Officer Kim Burgess, Brian Geraghty as Officer Sean Roman, Jesse Lee Soffer as Detective Jay Halstead, LaRoyce Hawkins as Detective Kevin Atwater, Elias Koteas as Detective Alvin Olinsky, Amy Morton as Desk Sgt. Trudy Platt, Patrick John Flueger as Officer Adam Ruzek bottom row; Jon Seda as Detective Antonio Dawson, Jason Beghe as Sergeant Hank Voight, Sophia Bush as Detective Erin Lindsay; "Chicago Fire", Yuri Sardarov as Brian ?"Otis"? Zvonecek, Jesse Spencer as Matthew Casey, Taylor Kinney as Kelly Severide, Eamonn Walker as Chief Wallace Boden, Dora Madison Burge as Jessica ?Chill? Clinton, Monica Raymund as Gabriela Dawson, Kara Killmer as Sylvie Brett, Joe Minoso as Joe Cruz, Christian Stolte as Randy ?Mouch? McHolland, David Eigenberg as Christopher Herrmann; "Chicago Med" top row: S. Epatha Merkerson as Sharon Goodwin, Nick Gehlfuss as Dr. Will Halstead, Brian Tee as Ethan, Torrey DeVitto as Dr. Lily Manning, Oliver Platt as Dr. Daniel Charles, Colin Donnell as Connor Bradhaw; seated: Yaya DaCosta as Nurse April Sexton, Rachel DiPillo as Dr. Sarah Reese (Photo by: Mark Seliger/NBC)

Rate the One Chicago Crossover event

CHICAGO FIRE -- "Going to War" Episode 702 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Eamonn Walker as Chief Boden -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7, episode 2 recap: Going To War

CHICAGO FIRE -- "Going to War" Episode 702 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7, episode 2 preview: Going To War

CHICAGO FIRE -- "Going to War" Episode 702 -- Pictured: Yuri Sardarov as Brian "Otis" Zvonecek -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7, episode 2 live stream: Watch online

ONE CHICAGO -- Pictured: "One Chicago" Key Art -- (Photo by: NBCUniversal)

One Chicago stars preview this week’s Chicago Crossover

CHICAGO FIRE -- "Going to War" Episode 702 -- Pictured: (l-r) Tony Ferraris as Tony, Eamonn Walker as Chief Boden -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7, episode 2 photos: Going To War

CHICAGO FIRE -- "Going to War" Episode 702 -- Pictured: Yuri Sardarov as Brian "Otis" Zvonecek -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7, episode 2 synopsis and promo: Going To War

ONE CHICAGO -- Pictured: "One Chicago" Key Art -- (Photo by: NBCUniversal)

One Chicago week in review: Week of September 26