Uchuu Kyoudai Episode 51 English Subbed Episode Title:Living Stone.Episode Description:As Mutta and Nitta head back to camp, discussing their relationships with their respective brothers, Kazuya looks up information about the astronauts, finding a video interview with Nitta. In the video, Nitta explains how feelings that you may not belong in this world can help drive you to go beyond it, stating some of the things Kazuya taught him when they were younger. After returning to camp, Nitta explains to the others about his brother whilst Mutta once again worries about Amanti's prediction. As a starstorm flies above the desert, Kazuya starts to venture outside his own little world.