The Old Lady Who Swallowed a Fly is on a ravenous rampage and the town's animals are going missing! Meanwhile, little Bo Peep has lost her sheep... and it's not looking good. It's up to Mary and her little lamb to track down the Old Lady, but will she find Bo Peep's sheep in time? Rollick along to this gripping, action-packed, never-before-retold story and find out... WHAT REALLY HAPPENED.