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.
Unfortunately the series H2O: Just Add Water is not yet available on Disney Plus. Follow us on Facebook to see when H2O: Just Add Water becomes available on Disney Plus!
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Metamorphosis | 2006-07-07 | 24 min |
| Season 1 | Episode 2 | Pool Party | 2006-07-14 | 30 min |
| Season 1 | Episode 3 | Catch of the Day | 2006-07-21 | 30 min |
| Season 1 | Episode 4 | Party Girls | 2006-07-28 | 30 min |
| Season 1 | Episode 5 | Something Fishy | 2006-08-04 | 30 min |
| Season 1 | Episode 6 | Young Love | 2006-08-11 | 30 min |
| Season 1 | Episode 7 | Moon Spell | 2006-08-18 | 30 min |
| Season 1 | Episode 8 | The Denman Affair | 2006-08-25 | 30 min |
| Season 1 | Episode 9 | Dangerous Waters | 2006-09-01 | 30 min |
| Season 1 | Episode 10 | The Camera Never Lies | 2006-09-08 | 30 min |
| Season 1 | Episode 11 | Sink or Swim | 2006-09-15 | 25 min |
| Season 1 | Episode 12 | The Siren Effect | 2006-09-22 | 30 min |
| Season 1 | Episode 13 | Shipwrecked | 2006-09-29 | 30 min |
| Season 1 | Episode 14 | Surprise! | 2006-10-06 | 25 min |
| Season 1 | Episode 15 | The Big Chill | 2006-10-13 | 30 min |
| Season 1 | Episode 16 | Lovesick | 2006-10-20 | 30 min |
| Season 1 | Episode 17 | Under the Weather | 2006-10-27 | 30 min |
| Season 1 | Episode 18 | Bad Moon Rising | 2006-11-03 | 30 min |
| Season 1 | Episode 19 | Hurricane Angela | 2006-11-10 | 30 min |
| Season 1 | Episode 20 | Hook, Line and Sinker | 2006-11-17 | 30 min |
| Season 1 | Episode 21 | Red Herring | 2006-11-24 | 30 min |
| Season 1 | Episode 22 | Fish Out of Water | 2006-12-01 | 30 min |
| Season 1 | Episode 23 | In Too Deep | 2006-12-08 | 30 min |
| Season 1 | Episode 24 | Love Potion #9 | 2006-12-15 | 30 min |
| Season 1 | Episode 25 | Dr. Danger | 2006-12-22 | 30 min |
| Season 1 | Episode 26 | A Twist in the Tail | 2006-12-29 | 30 min |
| Season 2 | Episode 1 | Stormy Weather | 2007-09-28 | 30 min |
| Season 2 | Episode 2 | Control | 2007-10-05 | 30 min |
| Season 2 | Episode 3 | The One That Got Away | 2007-10-12 | 30 min |
| Season 2 | Episode 4 | Fire and Ice | 2007-10-19 | 30 min |
| Season 2 | Episode 5 | Hocus Pocus | 2007-10-26 | 30 min |
| Season 2 | Episode 6 | Pressure Cooker | 2007-11-02 | 30 min |
| Season 2 | Episode 7 | In Hot Water | 2007-11-09 | 30 min |
| Season 2 | Episode 8 | Wrong Side of the Tracks | 2007-11-16 | 30 min |
| Season 2 | Episode 9 | Riding for a Fall | 2007-11-23 | 30 min |
| Season 2 | Episode 10 | Missed the Boat | 2007-11-30 | 30 min |
| Season 2 | Episode 11 | In Over Our Heads | 2007-12-07 | 30 min |
| Season 2 | Episode 12 | Fish Fever | 2007-12-14 | 30 min |
| Season 2 | Episode 13 | Moonwalker | 2007-12-21 | 30 min |
| Season 2 | Episode 14 | Get Off My Tail | 2007-12-28 | 30 min |
| Season 2 | Episode 15 | Irresistible | 2008-01-04 | 30 min |
| Season 2 | Episode 16 | Double Trouble | 2008-01-11 | 30 min |
| Season 2 | Episode 17 | Moonstruck | 2008-01-18 | 30 min |
| Season 2 | Episode 18 | The Heat Is On | 2008-01-25 | 30 min |
| Season 2 | Episode 19 | The Gracie Code, Part One | 2008-02-01 | 30 min |
| Season 2 | Episode 20 | The Gracie Code, Part Two | 2008-02-08 | 30 min |
| Season 2 | Episode 21 | And Then There Were Four | 2008-02-15 | 30 min |
| Season 2 | Episode 22 | Bubble, Bubble, Toil and Trouble | 2008-02-22 | 30 min |
| Season 2 | Episode 23 | Reckless | 2008-02-29 | 30 min |
| Season 2 | Episode 24 | Three's Company | 2008-03-07 | 30 min |
| Season 2 | Episode 25 | Sea Change | 2008-03-14 | 30 min |
| Season 2 | Episode 26 | Unfathomable | 2008-03-21 | 30 min |
| Season 3 | Episode 1 | The Awakening | 2009-10-26 | 30 min |
| Season 3 | Episode 2 | Jungle Hunt | 2009-10-27 | 30 min |
| Season 3 | Episode 3 | Keep Your Enemies Close | 2009-10-28 | 30 min |
| Season 3 | Episode 4 | Valentine's Day | 2009-10-29 | 30 min |
| Season 3 | Episode 5 | Big Ideas | 2009-10-30 | 30 min |
| Season 3 | Episode 6 | Secrets & Lies | 2009-11-02 | 30 min |
| Season 3 | Episode 7 | Happy Families | 2009-11-03 | 30 min |
| Season 3 | Episode 8 | Kidnapped | 2009-11-04 | 30 min |
| Season 3 | Episode 9 | The Sorcerer's Apprentice | 2009-11-05 | 30 min |
| Season 3 | Episode 10 | Revealed | 2009-11-06 | 30 min |
| Season 3 | Episode 11 | Just a Girl at Heart | 2010-01-18 | 30 min |
| Season 3 | Episode 12 | Crime & Punishment | 2010-01-19 | 30 min |
| Season 3 | Episode 13 | To Have & To Hold Back | 2010-01-21 | 30 min |
| Season 3 | Episode 14 | Mermaid Magic | 2010-02-22 | 30 min |
| Season 3 | Episode 15 | Power Play | 2010-02-23 | 30 min |
| Season 3 | Episode 16 | The Dark Side | 2010-02-24 | 30 min |
| Season 3 | Episode 17 | A Magnetic Attraction | 2010-03-20 | 30 min |
| Season 3 | Episode 18 | Into the Light | 2010-04-12 | 30 min |
| Season 3 | Episode 19 | Breakaway | 2010-04-13 | 30 min |
| Season 3 | Episode 20 | Queen for a Day | 2010-04-13 | 30 min |
| Season 3 | Episode 21 | The Jewel Thief | 2010-04-14 | 30 min |
| Season 3 | Episode 22 | Mako Masters | 2010-04-14 | 30 min |
| Season 3 | Episode 23 | Beach Party | 2010-04-15 | 30 min |
| Season 3 | Episode 24 | Too Close for Comfort | 2010-04-15 | 30 min |
| Season 3 | Episode 25 | A Date with Destiny | 2010-04-16 | 30 min |
| Season 3 | Episode 26 | Graduation | 2010-04-16 | 30 min |
| Production | Jonathan M. Shiff | Producer |
| Production | Jonathan M. Shiff | Executive Producer |
