Season 6 holds the highest collective average score across the series.
Season 6 Details →Season 5 finale: "Pedophilia in the Church: the weight of silence"
Episode Recap →Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
| Episode | Season 1 | Season 2 | Season 3 | Season 4 | Season 5 | Season 6 | Season 7 | Season 8 | Season 9 | Season 10 | Season 11 | Season 12 | Season 13 | Season 14 | Season 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ep 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | 8.0 | – |
| Ep 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 4 | – | – | – | – | – | 8.0 | – | – | – | – | – | – | – | – | – |
| Ep 5 | – | – | – | – | 7.0 | – | – | – | – | – | – | – | – | – | – |
| Ep 6 | – | – | – | – | – | – | – | – | – | – | – | – | 6.0 | – | – |
| Ep 7 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 9 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Season Avg | – | – | – | – | 7.0 | 8.0 | – | – | – | – | – | – | 6.0 | 8.0 | – |
Ratings Analysis & Trajectory
Across 15 seasons and 82 episodes, Cash Investigation has earned an overall series rating of 7.3 out of 10. The series demonstrates an upward quality trajectory, with later seasons sustaining higher viewer acclaim than its debut.
The single highest-rated hour of television in the series is Season 6, Episode 4 ("Cotton, the back of our T-shirts"), rated at an extraordinary 8.0/10 with 1 ratings. Conversely, the lowest-rated installment is Season 13, Episode 6 ("Episode 6"), landing at 6.0/10.
Top 10 Highest Rated Episodes of Cash Investigation
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 6, Ep 4 | Cotton, the back of our T-shirts | 8.0 | 1 | Nov 28, 2017 |
| #2 | Season 14, Ep 1 | Episode 1 | 8.0 | 1 | Sep 30, 2025 |
| #3 | Season 5, Ep 5 | Pedophilia in the Church: the weight of silence | 7.0 | 1 | Mar 21, 2017 |
| #4 | Season 13, Ep 6 | Episode 6 | 6.0 | 1 | Jun 24, 2025 |