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
S12E24 9.5
The Stockholm Syndrome

Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; and Koothrappali makes a new friend, as the gang travels together into an uncharted future.

#2
S2E11 9.1
The Bath Item Gift Hypothesis

Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.

#3
S3E22 9.0
The Staircase Implementation

Leonard tells Penny about how he met Sheldon for the first time...and what happened to the elevator.

#4 The Opening Night Excitation S9E11 9.0
#5 The Bow Tie Asymmetry S11E24 9.0
#6 The Change Constant S12E23 9.0
#7 The Adhesive Duck Deficiency S3E8 8.9
#8 The Maternal Capacitance S2E15 8.8
#9 The Thanksgiving Decoupling S7E9 8.8
#10 The Barbarian Sublimation S2E3 8.7

Lowlights

#279 S12E5 The Planetarium Collision 6.8

When Amy doesn’t have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she’s available to work with him even it if means accidentally sabotaging her career in the process. Raj doesn’t want Howard to join him in hosting a show at the planetarium.

#278 The Athenaeum Allocation S11E17 6.8
#277 The Cognition Regeneration S10E22 6.8
#276 The Matrimonial Momentum S9E1 6.8
#275 The Romance Recalibration S10E13 6.9

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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