The Professor is determined to find the centre of the Earth. While Hans repairs the raft, Axel and the Professor look around. Let's explore this area over here. What's that noise? Quick! Hide! The men hide behind some bushes. Look! A man. And huge elephants. But, they lived thousands of years ago. When we get home, people will be amazed by what we've seen! But - will they believe us? We must get back to Hans and the raft! Wait! What's this? It's a very old knife. It must be Arne Saknussemm's! The Professor finds initials on a cave wall. Look! Saknussemm was here! The compass must be broken. We've found it! This must be the last part of Arne Saknussemm's journey! Quick - let's find Hans and come back!