#1
S5E7
An Honest Fellow
DS Keeler becomes Frank and Lu's most unlikely and reluctant client when he finds himself the victim of blackmail.
Episode Ratings Grid
M
Loading chart...
Great
Good
Mid
If You Liked This
See AllEpisode Power Rankings
The peaks and the valleys. Find the essential episodes — and the ones to skip.
#2
S2E10
Too Cold for Hell
Tracking a local conman, Frank and Lu make some unlikely allies when they encounter a pair of deadly gangsters.
#3
S3E10
Teach Me, Dear Creature
Frank and Lu delve into the ultra-competitive world of private tutoring, while a reunion with an old RADA mate presents Sebastian with a choice about his future which could change everything for the agency.
#4
Time Decays
S4E9
#5
Such a Mad Marriage Never Was Before
S5E1
#6
A Dark House
S5E4
#7
Daggers of The Mind
S5E9
#8
Such Sweet Sorrow
S5E10
#9
The Fairest Show Means Most Deceit
S1E7
#10
Ill Met by Moonlight
S1E10
Lowlights
When paranormal activity is reported in a Tudor pub, old family feuds are brought to a head and it looks like Frank and Lu have another mystery on their hands.
#49
Thy Fury Spent
S3E5
#48
The Endeavour of this Present Breath
S5E5
#47
The Heavenly Harness'd Team
S5E2
#46
A Serpent's Tooth
S3E4
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.
Loading chart...
Episode Engagement
High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.
Loading chart...
Series Trajectory
One point per season. Smooths out the episode-to-episode noise to reveal the bigger arc.
Loading chart...
Season Momentum
Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.
Loading chart...
Season Consistency
How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.
Loading chart...