An army of bear cubs train and indoctrinate young recruits for the war against the unicorns, which threatens the safety of the cubs. Brothers Bluey and Tubby, along with a group of inexperienced cadets, are sent on a dangerous mission … Jon Goiri, Jaione Insausti, Ramón Barea, Txema Regalado, Manu Heras, Gaizka Soria, Iker Diaz Added on HBO 2024-01-19.