Justin seems to spend most of his time eating at breakfast time, lunch and dinner - and it seems like its taking up his whole life! Even his friends are both amazed and confused about why he needs to eat so much, but Justin is just as perplexed. Luckily, the Medikidz are on hand to take him to a trip to Mediland, where they will explain the facts behind Cystic Fibrosis and how it affects the digestive system. Join Justin in finding out about the importance of the pancreas, enzymes, and what exactly EPI stands for!