Companion (Doctor Who) companions too have been depicted in the revived era, such as Jo Grant (n/k/a Jo Jones)'s grandson Santiago Jones; and Sarah Jane Smith's parents, adopted son Luke Smith, adopted daughter Sky Smith, and alternate timeline fiancé Peter Dalton; and Alistair Lethbridge-Stewart's daughter Kate Stewart. Another change in the revived era is the depiction of many companions' pre-Doctor lives, particularly their childhoods; no companion was so depicted in the classic era, aside from John Benton being temporarily 'de-aged' by The Master. Companions Rose Tyler, Mickey Smith, Adelaide Brooke, Amy Pond, Rory Williams, River Song and Clara Oswald have all been portrayed
The Dark Crystal the planet Thra, a magical crystal is cracked, which allows two new races to appear: the malevolent Skeksis, who use the power of the "Dark Crystal" to continually replenish themselves, and the kind wizards called Mystics. Jen, a young Gelfling taken in by the Mystics after his clan was killed, is told by his Mystic master that he must heal the Crystal, which can only occur if he finds a shard of which is held by the astronomer Aughra. If he fails to do so before the planet's three suns align, then the Skeksis will rule forever. Jen's master then