What Nick Jr.  show premiered on August 24, 2015?
Nick Jr.: Nick Jr. is an American digital cable and satellite television channel that is run by the Nickelodeon Group, a unit of the Viacom Media Networks division of Viacom, the channel's ultimate owner headquartered in New York City. Shimmer and Shine: Shimmer and Shine is an American animated children's television series created by Farnaz Esnaashari-Charmatz.
i don't know