The show must go on! The Sea Keepers head Down Under for a tropical talent show in this magical new series about saving our oceans. The Sea Keepers are off to Australia to help the Oceania mermaids! Divers are threatening their beautiful coral reef and evil siren Effluvia has enchanted a dangerous shark to spoil the mermaids' tropical talent show. Now all the fish who live there are in danger! Can Emily, Grace and Layla find a magical pearl to save the show and protect the reef without becoming a shark's snack?