It is true that only Twilight Sparkle is left in the ending of Little Polly. In the finale, Ziyue becomes a princess, and the princess can live forever, but his friends Bao Yun, Brigitte, Qi Zhen, Rourou and Apple Jia can't live forever unless they are princesses. In the end, all his friends are old, only Ziyue is not old, and it is also true that only Twilight Sparkle is left in the finale. Before the fourth generation of Poly Pony, Pony appeared in the eyes of the public as a toy, with little influence and unknown animation. In 2003, Hasbro decided to change the pony's body proportion. In 2009, a new pony model was established, and in 20 10, in order to broadcast the new season, the pony, which is now widely known as the fourth generation pony, was remake.