H2O: Just Add Water
H2O: Just Add Water Episode Ratings Heatmap
| Avg | E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | E10 | E11 | E12 | E13 | E14 | E15 | E16 | E17 | E18 | E19 | E20 | E21 | E22 | E23 | E24 | E25 | E26 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 7.6 | 7.6 | 7.4 | 7.2 | 7.3 | 7.4 | 7.4 | 7.7 | 7.3 | 7.3 | 7.6 | 7.2 | 7.6 | 7.5 | 7.3 | 7.6 | 7.7 | 7.8 | 8.1 | 7.1 | 7.8 | 7.9 | 8.0 | 8.0 | 7.9 | 8.0 | 8.4 | |
| S2 | 7.8 | 7.5 | 7.4 | 7.6 | 7.5 | 7.6 | 7.4 | 7.4 | 8.5 | 7.4 | 7.6 | 8.3 | 7.7 | 7.9 | 7.3 | 7.7 | 7.8 | 8.1 | 7.7 | 8.4 | 7.9 | 7.8 | 7.4 | 7.5 | 8.0 | 8.5 | 8.6 | |
| S3 | 7.6 | 7.9 | 7.4 | 7.3 | 7.3 | 7.3 | 7.5 | 7.3 | 7.7 | 7.5 | 7.8 | 7.5 | 8.0 | 8.1 | 7.8 | 7.1 | 7.6 | 7.3 | 7.2 | 7.7 | 7.5 | 7.5 | 7.6 | 7.7 | 7.2 | 7.8 | 8.0 |
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About
"Sun-drenched teen fantasy about secret mermaid powers"
Three teenage girls in a coastal Australian town stumble into a mysterious moon pool and wake up with the ability to transform into mermaids whenever they touch water. What follows is breezy young-adult fantasy: keeping the secret from friends and family, dealing with a curious local boy who suspects something's off, and navigating first crushes alongside sudden magical powers. It's sunny, low-stakes, and unapologetically aimed at tweens, with charming practical effects and beach-town scenery carrying the mood more than any deep plotting. Comfort viewing rather than prestige drama.
the fun, low-stakes mermaid transformations and sunny coastal setting that make for easy, breezy viewing.
you want complex plotting or mature themes rather than light young-adult fantasy.
Written by our AI editor to help you decide, spoiler-free by design.
All Seasons
