The Powerpuff Girls - Season 2 Episode 7
A Star Is Blossom

Blossom thinks shes a shoo-in for the lead role in a school play. When the list comes out, its Bubbles who wins the lead role. Blossom, resigned to playing a rock (with no dialogue at that), Blossom tries to sabotage Bubbles appearance until a Viking queen shows up after being summoned from a book (from which the plays script comes) and takes the male lead, Jared Shapiro, to get him to marry her.