First, beware that if you notice a lock icon in the header of an Episode it is purchased but still locked. It means you have not played through the preceding Episode. It will remain locked until that prior Episode is completed. Also, if you are on iOS and see a price tag icon you can press the Restore Purchases button on the Store Screen. Enter your Apple ID and all episodes you previously purchased should then be available for download. If neither of these solutions addresses your concern, please don't hesitate to email us at email@example.com
with EPISODES in the subject.