Ep 18. The Heat is On

Emma is determined to win a science award and begins experimenting with Mako Island water. Meanwhile, Rikki accidentally puts a heat spell on Zane that causes his surfboard wax to melt mid-wave. When Emma's experiments go awry and cause a heatwave in the town, Cleo and Bella must team up to stop her before it's too late. As tensions rise between Emma and her friends, Rikki's spell gets stronger and puts Zane's life in danger. With the help of Lewis, they must figure out how to undo the spell and save Zane. Will they be able to overcome this challenge and keep their friendship intact?