(..) - l'll talk you through the rest. - Okay. Go on. lt'll be a piece of kelp. - Nicely done. Can you hear me? - Yeah. Here comes the pebble. Now, do you see a small opening? lnside it, you'll see a rotating fan. Very carefully, wedge that pebble into the fan to stop it turning. Careful, Sharkbait. (..)

(..) Me? - You see that filter? - Yeah. You're the only one who can get in and out of that thing. We need you to take a pebble inside there and jam the gears. You do that and this tank's going to get filthier by the minute. Soon the dentist will have to clean the tank. (..)