Foster's Home for Imaginary Friends (2004)

S2E10 Sweet Stench of Success

Bloo rises to fame as the face of a popular deodorant brand, reveling in his newfound celebrity status. However, the spotlight creates a rift between him and Mac, straining their friendship. As Bloo basks in his glory, he begins to neglect their bond, leading to misunderstandings and feelings of resentment. Ultimately, he must confront the price of fame and decide whether his popularity is worth sacrificing his relationship with Mac.