Super Mario Sunshine/Delfino Airstrip

After the opening cutscene, speak to Toadsworth, Peach and the toads and they'll fill you in on what's happening. Notice the huge pile of multicoloured goop on the airstrip and the Pianta stuck inside it. Clearing this goop will be your first task in the game. But first you might want to just have a little look around the area and practice running, jumping, climbing trees and swimming. It's a very small area so don't worry about missing anything or getting lost.

Introducing FLUDD
When you're done exploring, head over to the group of Piantas and you will discover FLUDD. The FLUDD will then introduce itself with a short cutscene explaining the basics of how to operate it.

After the instructions, spray the large letter "M" painted on each of the 2 boxes on your left, as a little practice task. Now you're ready to battle the huge puddle of gunk on the airstrip.

The first Shine
Head over to the gunk puddle and spray the edges of it with FLUDD, (try not to get any goop on you) then spray the large blob in the centre of the puddle. This awakens a huge monster, which looks like a Piranha Plant covered in paint; this is the Gate Keeper. Spray it in the mouth 3 times to defeat it and be rewarded with your first Shine.

As soon as you collect the shine, the Delfino police arrive and take Mario away! He is taken to court on Isle Delfino and is told to clean all the graffiti before he is allowed to leave. After the cutscene you will be on Isle Delfino and the story really begins...