How do you get past pierule on the simpsons game ds?

To get past Pierule in "The Simpsons Game" for DS, you need to switch to Lisa and use her special ability to create a barrier. This will allow you to deflect the projectiles thrown by Pierule while also dodging his attacks. Focus on avoiding damage and striking when you can, and remember to utilize Bart's abilities for additional support. Keep an eye on Pierule's patterns to effectively counter his moves.