Voltron: Lion Force, Secret of the White Lion

S1 E10: Princess Allura, unsure of her ability to lead her planet, is visited in her dreams by the ghosts of her parents. When a majestic White Lion appears to her, she follows it deep into the forest, believing it to be the reincarnation of her father. Keith, Lance, Pidge and Hunk hurry to find her before it's to late!