To defeat Robo Patrick, wait until he spins around and gets dizzy. If he hits you, he will not get dizzy. Then, hit him in the back or butt. Do this three times and you will switch to Sandy. Do the same thing, except he will fill the pool with goo every time you hit him. Swing on the Texas things to make the boxes fall down. Use the boxes to get to him. Do this three times and you will be SpongeBob again. Wait until he spins and falls, but you cannot hit him with the wand. You must Bubble Bowl him in the back three times and u will win.