Pokemon siblings day episode

In this musical episode, Ash's Pikachu tells baby Pichu a bedtime story about its favorite holiday, Siblings Day. Baby Pichu imagines that it and Pikachu (who is a big brother) goes on a ride in a bus and they're join by a female, talking Riolu. They first visit the cerulean city gym to see Misty's sisters' water ballet show and they're join by a talking Prinplup named Polly. Next, they visit the police station to meet Officer Jenny and her Growlithe. In the end, Not only the female Riolu is Fluffy's sister, but Polly is Baby Pichu's adopted sister, much to its happily delights.