Xavier is working away on his home-made volcano science project, but it blows up before he's able to get his camera and take a picture! He doesn't get it, what went wrong? How can he do better next time? ...To the Secret Museum! Our heroes are sent back in time to meet an incredible scientist: French microbiologist Louis Pasteur. As Xavier attempts to work alongside Louis, first painting a picture and then conducting a very important scientific experiment, he realizes that it matters not what kind of project you're doing,it is always important to think about what one needs before they start.