H2O: Just Add Water (2006)

Adventure · Comedy · Drama

H2O: Just Add Water revolves around three teenage girls facing everyday teen problems with an added twist: they cope with the burden of growing a giant fin and transforming into mermaids whenever they come in contact with water.

IMDb rating: 7.3 (21,557 votes)
Seasons: 3
Streaming (US): Netflix · Amazon Prime Video · Dove Amazon Channel · The Roku Channel · Pluto TV · Hoopla
Language: EN
Type: TV series

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Seasons

Season 1 (2006)

7.61 avg 26 episodes 7.6 → 8.4 25 min avg

Big finale
Rebound

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Metamorphosis	7.6	424
2	Pool Party	7.4	319
3	Catch of the Day	7.2	283
4	Party Girls	7.3	269
5	Something Fishy	7.4	266
6	Young Love	7.4	250
7	Moon Spell	7.6	258
8	The Denman Affair	7.4	237
9	Dangerous Waters	7.3	236
10	The Camera Never Lies	7.6	236
11	Sink or Swim	7.1	218
12	The Siren Effect	7.6	234
13	Shipwrecked	7.5	220
14	Surprise!	7.3	212
15	The Big Chill	7.6	215
16	Lovesick	7.7	219
17	Under the Weather	7.8	227
18	Bad Moon Rising	8.1	231
19	Hurricane Angela	7.2	209
20	Hook, Line and Sinker	7.8	221
21	Red Herring	7.9	208
22	Fish Out of Water	8.0	210
23	In Too Deep	7.9	214
24	Love Potion	7.8	208
25	Dr. Danger	8.0	210
26	A Twist in the Tail	8.4	238

Season 2 (2007)

7.78 avg 26 episodes 7.4 → 8.6 25 min avg

Big finale

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	Stormy Weather	7.4	192
2	Control	7.4	206
3	The One That Got Away	7.5	195
4	Fire and Ice	7.5	192
5	Hocus Pocus	7.6	193
6	Pressure Cooker	7.4	183
7	In Hot Water	7.4	180
8	Wrong Side of the Tracks	8.5	220
9	Riding for a Fall	7.5	178
10	Missed the Boat	7.6	176
11	In Over Our Heads	8.3	230
12	Fish Fever	7.7	177
13	Moonwalker	7.9	184
14	Get Off My Tail	7.3	176
15	Irresistible	7.7	185
16	Double Trouble	7.8	191
17	Moonstruck	8.1	188
18	The Heat Is On	7.7	175
19	The Gracie Code: Part 1	8.3	196
20	The Gracie Code: Part 2	7.9	179
21	And Then There Were Four	7.8	174
22	Bubble, Bubble, Toil and Trouble	7.4	173
23	Reckless	7.5	169
24	Three's Company	8.0	180
25	Sea Change	8.4	216
26	Unfathomable	8.6	251

Season 3 (2009)

7.57 avg 26 episodes 7.9 → 8.1 25 min avg

Season 3 episodes — IMDb ratings
#	Title	Rating	Votes
1	The Awakening	7.9	202
2	Jungle Hunt	7.3	167
3	Keep Your Enemies Close	7.3	166
4	Valentine's Day	7.3	165
5	Big Ideas	7.3	153
6	Secrets and Lies	7.5	152
7	Happy Families	7.3	150
8	Kidnapped	7.7	150
9	The Sorcerer's Apprentice	7.5	157
10	Revealed	7.8	158
11	Just a Girl at Heart	7.5	156
12	Crime and Punishment	8.1	169
13	To Have and to Hold Back	8.1	166
14	Mermaid Magic	7.7	156
15	Power Play	7.1	148
16	The Dark Side	7.6	147
17	A Magnetic Attraction	7.3	149
18	Into the Light	7.2	150
19	Breakaway	7.7	150
20	Queen for a Day	7.5	152
21	The Jewel Thief	7.5	148
22	Mako Masters	7.7	147
23	Beach Party	7.7	152
24	Too Close for Comfort	7.2	148
25	A Date with Destiny	7.8	160
26	Graduation	8.1	194