under the piano in the light house
The disc in what? The third mission - Its in the room above the gift shop, under the sofa. The DJ3K discs - You can buy them in the nightclub. The eleventh mission - Its in the lighthouse under the piano.
if your asking about the mission its under the orange couch in the mission on club penguin
1. Tap on the blue button that has a picture of a computer on it. 1.1. Only then will you see a disc. 2. That is where you will find your mission logs.
click on him and he will talk
You have to find the code in the computer, but to do that, you have to get the disc along with the paperclip under the sofa
find it
When you get on a Club Penguin mission you find out clues and try to complete the mission. Certain sites can help you on the missions if you are stuck.
find out in utube
in the lighthouse
find it
in a tree
You have to find the puffles.