Set in outer space, the series charts the missions of the Callisto family - 7-year-old Miles, big sister Loretta and their scientist parents Phoebe and Leo, who work for the Tomorrowland Transit Authority. Each episode will feature two 11-minute adventure-filled stories as Miles and his family explore strange new worlds, taking young viewers and their families on a journey that fuels kids' natural interest in the universe, and at the same time reminding them that what matters most is what lies closer to home - the family bond. Join Miles and his robo-ostrich, Merc, as they explore the galaxy together. It's a great big universe bring a buddy!