This cheat is one of the most complex cheats that one shall do. The knowledge that hath to be undertakin is just immense. The ultimate cheat:

hold L2 whilst tapping X four times in 4 seconds,
then, one after another, press circle,square,triangle,square,X,X,square,circle
then hold L2 R2 L1 R1 at the same time,
after doin this spin around in a circle, without actually moving forwards or backwards, and make spongebob jump in the air
when your in the air you wont fall,
you should be able to fly around everywhere.

P.S. - email me at scott_lynes89@hotmail.com if you have any difficulties with this cheat page

thank you for your time!