Milly and the great thunderstorm Milly and the great thunderstorm Episode two The thunderstorm is over but the big oak tree where lots of little creatures used to live is still blocking the river. Oh dear, if the water keeps rising it will fl ood the glade! Oh no... where shall we go...? The tree slows down the water fl ow and a small lake forms. My house... Billy wants to help. Quick, quick...