Planet (The Empty Planet)
From Tardis Wiki, the free Doctor Who reference
This planet was the true home planet of Gavin , who was taken away from his home planet and hid onn Earth using a Bio damper . Two Automatons came looking for him and they removed the whole planet except Clyde and Rani . When they found him Gavin saw the planet that he would return to and was then taken their by the two Automatons . (SJA : The Empty Planet )