In 2011, the Toyota Prius family grew from one to four models, and to tell this story, we teamed up with Hunter Gatherer to collaborate on a stop motion film that poses the question, 'What is the plural of Prius?' We also built an online experience that invited the public to cast their vote... and with over 2 million unique votes, the official plural became 'Prii.'

Prius Goes Plural :90 Spot