Welcome to this exciting new adventure of your favourite superhero duo Gublu Boy and Nutty Nut Nut on Once Upon A Time With Uttara. In this episode, the superheroes are on an exciting trek where they are faced with an unsolved mystery which could save many lives. What will they do? Listen to know more! Support us on https://www.buymeacoffee.com/storytimeuttara so we can keep creating more awesome stories for you! --- Send in a voice message: https://anchor.fm/onceuponatimewithuttara/message