This One Chicago season by the numbers

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)
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) /
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Chicago Fire, Chicago PD and Chicago Med are done for the season, so look back at this latest One Chicago season with some interesting statistics.

With another One Chicago season finished, it’s time for our annual look at the season that was through the numbers that were.

We’ve put together some interesting and fun statistics from the 2017-2018 season, to help put it in perspective and for all of the trivia buffs out there in the One Chicago fandom.

These are the calculations you might not have noticed, and a few we’re pretty sure that nobody actually computed (but that’s the fun of it).

Check some of these numbers out:

Shows: 3

Episodes: 65

Hours of TV (after commercials): 45.5 hours, which amounts to just under two days straight if you were to watch every episode this season in a row.

Which also equates to:

The season’s highest-rated episode: Chicago Med‘s “Nothing To Fear” at 7.87 million live viewers.

The season’s lowest-rated episode: Chicago PD‘s “Fallen” at 5.14 million live viewers.

Characters who joined the main cast this season: Two (Dr. Ava Bekker on Chicago Med and Det. Hailey Upton on Chicago PD)

Characters who left the main cast during or after this season: Two (Alvin Olinsky on Chicago PD and Gabriela Dawson from Chicago Fire)

Characters who were killed off in the main cast: One (Alvin Olinsky on Chicago PD, and here’s why)

Shows that ended this season on a cliffhanger: Two of three (Chicago Med and Chicago Fire)

Shows that started this season resolving a cliffhanger: Two of three (Chicago Med and Chicago Fire; three if you consider Erin Lindsay’s off-screen exit on Chicago PD to be a cliffhanger)

Shows that had a cliffhanger at midseason: Two of three (Chicago PD and Chicago Fire)

Characters that actually died in any cliffhanger: Zero

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Number of crossovers: One (between Chicago PD and Chicago Fire to coincide with the former’s 100th episode)

Number of Kelly Severide’s love interests we saw this season: Three (Hope Jacquinot, Stella Kidd, and Renee Royce)

Number of Santa Clauses killed in the making of this season: One

Next: Watch Saturday Night Live's One Chicago parody

There are some quirky numbers to look at over this One Chicago season, from the sheer number of cliffhangers to the lack of crossovers. Or how you can marathon the whole season in less than 48 hours. What was your most surprising stat? Let us know in the comments.