Watch Rio 2 full movie online 123 Movies. Watch Rio 2 123movies online for free. Rio 2 Movies123. It's a jungle out there for Blu, Jewel and their three kids after they're hurtled from Rio de Janeiro to the wilds of the Amazon. As Blu tries to fit in, he goes beak-to-beak with the vengeful Nigel, and meets his father-in-law.