- The documentary is part of the "Grandes espectáculos de la naturaleza" series, specifically episode 2 titled "El gran viaje del salmón"[4].<br /><br />- The documentary explores the remarkable migration of salmon, following their journey from the ocean back to their spawning grounds in freshwater rivers[1][2][3].<br /><br />- It is a 49-minute episode that provides an in-depth and intimate look at the challenges and obstacles salmon face during their arduous upstream migration[4].<br /><br />- The documentary has been made available on various online platforms, including YouTube and Dailymotion, allowing viewers to access and watch it[1][3][4].<br /><br />- Reviews of the documentary indicate it has been well-received, with an IMDb rating of 7.2/10.<br /><br />In summary, "El gran viaje del salmón" is a documentary that delves into the captivating and challenging migration of salmon, as part of the "Grandes espectáculos de la naturaleza" series. It provides a comprehensive and visually stunning exploration of this remarkable natural phenomenon[1][2][3][4].<br /><br />Citations:<br />[1] https://www.youtube.com/watch?v=m5NTV3glJ-A<br />[2] https://www.verkami.com/projects/17862-upstream/blog/33097-el-gran-viaje-del-salmon<br />[3] https://www.youtube.com/playlist?list=PL9B440C6394716FDD<br />[4] https://www.dailymotion.com/video/x2akigz
