The third season of Australia's popular young adult program is condensed into this enchanting telefilm that follows teenage mermaids Cleo (Phoebe Tonkin) and Rikki (Cariba Heine) as they make a new friend in Bella (Indiana Evans), who turns out to have special powers of her own. Return to Mako Island for more magical adventures! With Angus McLaren, Burgess Abernethy. 90 min. Standard; Soundtrack: English.