#1
S6E21
Whatever Remains, However Improbable
Holmes and Watson face their greatest challenge to date when a murder investigation threatens to destroy their partnership.
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#2
S3E12
The One That Got Away
As Kitty begins to unravel due to the imminent threat to her safety, Sherlock and Joan intensify their efforts to help her. Also, the origin of Sherlock and Kitty’s relationship is revealed.
#3
S4E7
Miss Taken
When Watson’s stepfather writes a crime novel based on her work with Holmes without her knowledge, an underlying issue in their relationship is revealed. Also, as Holmes and Watson investigate a retired FBI agent’s murder, they discover the man’s death is connected to an unsolved case from the victim’s career.
#4
Heroine
S1E24
#5
M.
S1E12
#6
The Woman
S1E23
#7
Risk Management
S1E22
#8
The Diabolical Kind
S2E12
#9
Sober Companions
S6E7
#10
Reichenbach Falls
S7E12
Lowlights
When a reality show contestant is murdered, Holmes and Watson zero in on another competitor as a suspect, a former war criminal who may be the most skilled killer they’ve ever pursued. Also, for the first time since he attacked Sherlock, Shinwell reaches out to Joan to ask for a favor
#153
High Heat
S5E19
#152
From Russia with Drugs
S7E7
#151
The Art of Sleights and Deception
S5E20
#150
Rekt in Real Life
S5E14
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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