This episode was released on Youku's on-demand service in China on June 28, 2019, thirty-six days ahead of its scheduled premiere on Discovery Family
So, it has already leaked and the song Al sings in it is now avaliable on Youtube:
Youtube
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This episode was released on Youku's on-demand service in China on June 28, 2019, thirty-six days ahead of its scheduled premiere on Discovery Family