Episode Ratings Grid

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Episode Power Rankings

The peaks and the valleys. Find the essential episodes — and the ones to skip.

#1
S2E22 9.0
Real Never Waits

A fire at a boarding school leaves Lt. Severide shaken and wondering if he could have done more. Meanwhile, with the firehouse in full support of Dawson as she retakes the fireman’s exam, Lt. Casey attempts some political maneuverings on her behalf. Elsewhere, Mills looks for answers about his father’s mysterious past and Chief Boden’s grand plans take a detour.

#2
S5E22 9.0
My Miracle

A dangerous warehouse fire puts truck and squad at risk. Tensions are high for Dawson and Casey when Dawson's father overstays his welcome at their home. Meanwhile, Casey continues to fight for his first responders bill, Mouch makes a serious decision regarding his future and Herrmann goes to tremendous lengths to make a young boy smile.

#3
S2E20 8.9
A Dark Day

Lt. Casey and Dawson volunteer to help at a charity run at Chicago Medical when a massive explosion sends Chicago into chaos. With one of their own missing in the blast, the firehouse is tested like never before.

#4 I Am the Apocalypse S3E19 8.9
#5 The Last One for Mom S4E20 8.9
#6 Deathtrap S5E15 8.9
#7 Carry Me S5E20 8.9
#8 Going to War S7E2 8.9
#9 Sacred Ground S8E1 8.9
#10 In the Trenches: Part I S13E11 8.9

Lowlights

#292 S14E1 Kicking Down Doors 7.3

A new face at Firehouse 51 causes tension, while rising chaos in the city brings new challenges to the team. Herrmann stalls on plans of relinquishing his office to Mouch.

#291 Episode #14.15 S14E15 7.4
#290 Episode #14.10 S14E10 7.4
#289 Primary Search S14E2 7.4
#288 Haunted House S11E5 7.4

The Quality Arc

Each point is an episode, plotted in order. Colored bands mark season boundaries. Look for the rise, the plateau, or the decline.

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Episode Engagement

High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.

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Series Trajectory

One point per season. Smooths out the episode-to-episode noise to reveal the bigger arc.

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Season Momentum

Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.

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Season Consistency

How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.

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