Bibi and the Dinosaur Egg

S1, E7: Bibi's class is on an excursion to the Newtown caves. The pupils are supposed to look for fossils there. With Apple Pie's help, Bibi and Johnny find a dinosaur egg. Of course, no one believes them. The dinosaur can only be hatched by the power of three witches from three different generations. The witch Mania helps them because she needs the egg shell to brew a tonic. Bibi and the dinosaur become very close. He grows quickly and is soon enormous. He is so hungry that it becomes more and more difficult for Bibi to conjure up more food. Her magic powers become exhausted. With a heavy heart, Bibi agrees to magic him into a stone dinosaur.