H2O: Just Add Water
Unfathomable (2x26)
Season finale
Air date: Mar 21, 2008
A unusual and rare planetary alingment is set to cause the full moon to remove a mermaids powers if they enter the moon pool! Charlotte shows immunity and tries to reveal the girls' secret before Lewis takes her to Mako Island. The girls follow and a battle erupts. But who will win?
- Premiered: Jul 2006
- Episodes: 78
- Followers: 632
- Ended
- Network 10
- Wednesday
