Rio da Dúvida poster
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Rio da Dúvida

20182h 16mMovie

The film recreates the Roosevelt-Rondon Scientific Expedition (1913-1914), commanded by the Brazilian colonel Cândido Mariano da Silva Rondon and former US president Theodore Roosevelt. Together, they crossed the Pantanal and Amazon Rainforest to explore the mysterious Doubt River.

DirectorJoel Pizzini
WritersMário César Cabral Marques·Joel Pizzini
ProducersMário César Cabral Marques·Patrícia Civelli

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Rio da Dúvida was released on October 27, 2018 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Joel Pizzini

RVRodolfo Vaz
Rodolfo Vaz
Rondon
XGXando Graça
Xando Graça
Theodore Roosevelt

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Rio da Dúvida — streaming FAQ

Which OTT platform streams Rio da Dúvida?

Rio da Dúvida isn't streaming anywhere in United States yet.

Is Rio da Dúvida on Netflix?

No, Rio da Dúvida is not on Netflix in United States as of November 2026.

Is Rio da Dúvida on Amazon Prime Video?

No, Rio da Dúvida isn't on Amazon Prime Video in United States right now.

Where can I watch Rio da Dúvida for free?

Rio da Dúvida isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for Rio da Dúvida?

Rio da Dúvida hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around December 15, 2018. This is a prediction, not a confirmed date.