Measurably increases domain knowledge or cognitive capacity

Score Breakdown
IQ = round((Cognitive × 0.4 + Educational × 0.35 + Craft × 0.25) × 4)
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The TVI Take
The later seasons of Slow Horses — the Slough House team faces increasingly significant threats. Gary Oldman remains exceptional.
The quality is consistent across all seasons. Mick Herron's novels provide strong source material.
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