What is a character vs Character conflict for Phineas and Ferb wild surprise?

In "Phineas and Ferb: Wild Surprise," a character vs. character conflict arises primarily between Phineas and Candace. Candace is determined to expose her brothers' grand summer projects to their mom, believing they are too outrageous and should be stopped. This clash highlights the sibling rivalry and differing perspectives on creativity and parental approval, driving much of the plot's tension.