Burning Sibling Robot (燃える兄弟ロボ Moeru Kyōdai Robo) is the twentieth episode of Chikyuu Sentai Fiveman. It concludes the story introducing Star Five, revealing its connection to the Hoshikawa siblings and leading to their new Super Combination machine: Super Fiverobo. It also reveals a clue regarding the possible fate of Doctor Hiroshi Hoshikawa, the father of the Fivemen.