The series follows the epic 1519–1522 voyage initiated by Magellan under the Spanish crown. Disregarded by the King of Portugal, Magellan pitches a theoretical westward route to the Spice Islands to the Spanish monarch, securing a fleet of five ships and 237 men. The narrative highlights the grueling three-year journey marked by:
Constant tension between the Portuguese Magellan and his wary Spanish captains.
Critics at Decider compared its aesthetic to Game of Thrones , noting the use of historically accurate languages (Spanish and Portuguese) and cinematic set pieces.
While it captures the spirit of the Age of Discovery, viewers on IMDb have noted significant "artistic liberties" and occasional historical inaccuracies for the sake of drama. Episode Guide Boundless (TV Mini Series 2022)
Produced as a collaboration between RTVE and Amazon Prime Video to commemorate the 500th anniversary of the voyage, the series had a budget of approximately €20 million.