Ultima onda was released in the year 1977。Ultima onda is also called as The Last Wave, Viimeinen aalto, Sista vågen, Letzte Flut, Dernière vague, Última ola。

A Sydney lawyer has more to worry about than higher-than-average rainfall when he is called upon to defend five Aboriginals in court. Determined to break their silence and discover the truth behind the hidden society he suspects lives in his city, the Lawyer is drawn further, and more intimately, into a prophesy that threatens a new Armageddon, wherein all the continent shall drown.