NANA Episode Ratings Heatmap
2006 · 1 Seasons · 47 Episodes · Overall Score: 7.7/10 (47 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 1.13), maintaining an average of 7.7.
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 |
|---|---|
| Ep 1 | 10.0 |
| Ep 2 | 8.0 |
| Ep 3 | 8.0 |
| Ep 4 | 8.0 |
| Ep 5 | 8.0 |
| Ep 6 | 7.0 |
| Ep 7 | 8.0 |
| Ep 8 | 8.0 |
| Ep 9 | 8.0 |
| Ep 10 | 7.0 |
| Ep 11 | 6.0 |
| Ep 12 | 7.0 |
| Ep 13 | 8.0 |
| Ep 14 | 6.0 |
| Ep 15 | 8.0 |
| Ep 16 | 8.0 |
| Ep 17 | 10.0 |
| Ep 18 | 5.0 |
| Ep 19 | 7.0 |
| Ep 20 | 8.0 |
| Ep 21 | 8.0 |
| Ep 22 | 8.0 |
| Ep 23 | 8.0 |
| Ep 24 | 7.0 |
| Ep 25 | 8.0 |
| Ep 26 | 8.0 |
| Ep 27 | 7.0 |
| Ep 28 | 8.0 |
| Ep 29 | 7.0 |
| Ep 30 | 8.0 |
| Ep 31 | 4.0 |
| Ep 32 | 8.0 |
| Ep 33 | 6.0 |
| Ep 34 | 8.0 |
| Ep 35 | 6.0 |
| Ep 36 | 8.0 |
| Ep 37 | 8.0 |
| Ep 38 | 8.0 |
| Ep 39 | 7.0 |
| Ep 40 | 8.0 |
| Ep 41 | 8.0 |
| Ep 42 | 10.0 |
| Ep 43 | 8.0 |
| Ep 44 | 9.0 |
| Ep 45 | 9.0 |
| Ep 46 | 8.0 |
| Ep 47 | 8.5 |
| Season Avg | 7.7 |
Ratings Analysis & Trajectory
Across 1 seasons and 47 episodes, NANA has earned an overall series rating of 7.7 out of 10. The series displays remarkable consistency across its narrative arc, maintaining reliable ratings from premiere to conclusion.
The single highest-rated hour of television in the series is Season 1, Episode 1 ("Prologue: Nana and NANA"), rated at an extraordinary 10.0/10 with 2 ratings. Conversely, the lowest-rated installment is Season 1, Episode 31 ("Hachi's Child, Pregnancy"), landing at 4.0/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 17 ("Trapnest, Live", 10) and Episode 18 ("Hachi's Prayer, NANA's Thoughts", 5), a swing of 5 points.
Top 10 Highest Rated Episodes of NANA
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 1 | Prologue: Nana and NANA | 10.0 | 2 | Apr 5, 2006 |
| #2 | Season 1, Ep 17 | Trapnest, Live | 10.0 | 1 | Aug 2, 2006 |
| #3 | Season 1, Ep 42 | NANA, Suddenly Fit | 10.0 | 1 | Feb 21, 2007 |
| #4 | Season 1, Ep 44 | Blast vs. Trapnest | 9.0 | 1 | Mar 7, 2007 |
| #5 | Season 1, Ep 45 | Blast's First TV Performance | 9.0 | 1 | Mar 14, 2007 |
| #6 | Season 1, Ep 47 | Fireworks Display, Hachi and NANA | 8.5 | 2 | Mar 28, 2007 |
| #7 | Season 1, Ep 2 | Love? Friendship? Nana and Shoji | 8.0 | 1 | Apr 12, 2006 |
| #8 | Season 1, Ep 3 | Nana and Shoji, Love's Whereabouts | 8.0 | 1 | Apr 19, 2006 |
| #9 | Season 1, Ep 4 | Nana's Love, NANA's Dream | 8.0 | 1 | Apr 26, 2006 |
| #10 | Season 1, Ep 5 | Ren's Dream, NANA's Thoughts | 8.0 | 1 | May 3, 2006 |