It's been 12 years since Gael García Bernal and Diego Luna appeared on-screen together. In fact, ever since their breakout roles in "Y Tu Mamá También," the two say they've rarely been pitched parts in the same project.

The streaming service's first Spanish-language original series centers on an aging Mexican fighter who's persuaded to take on one last rematch, with potentially dangerous consequences.

"La Máquina" is an ambitious Hulu limited series 15 years in the making, and not just because it's the platform's first Spanish-language original. Born from a concept by frequent collaborators and longtime friends Diego Luna and Gael García Bernal,