Which episode is Ponyberry Ziyue's birthday?

Episode 35. According to the query "Pony Paulie" animation shows that the 35th episode, Purple Hyatt's birthday party was held in the ballroom of Canterlot Castle, "Pony Paulie" animation, which tells the story of a unicorn named to do Twilight Sparkle Purple Hyatt, to carry out the mission of the mentor Princess Celestia Princess of the Universe.