Mako Mermaids - Season 4 Episode 14

Mimmi helps Ondina come up with an exciting new lesson for the little mermaids using an accelerated growth spell. With the school board undertaking a review of Rita's principalship, Ms Trumble make it no secret that she is out for the job herself. Rita's all but assured to retain the position but after mistakenly drinking tea made from the growth accelerator, Rita begins to age rapidly. Luckily Rita knows the recipe for the reversal potion – she just can't remember the final ingredient. Zac and Evie's attempt to spend a quiet day together keeps getting interrupted. The pair are tasked with delaying Rita's interview with the school board until the Rita's cure can be completed. Caught between two worlds, Rita makes an important decision about her future but a new opportunity surfaces.