The Simpsons Season 21 Episode 10
Once Upon a Time in Springfield
When Krusty's rating with young girls is dropping, television executives add a second cast member, Princess Penelope (Anne Hathaway) to his show. The scene stealing princess initially annoys Krusy until he finds out she's a huge fan and in love with him. Soon, Krusty almost marries Penelope until Bart and Milhouse pull out some of Krusty's wives form his past. Krusty realizes he loves Princess Penelope to marry her and hurt her the way he did his previous wives. He leaves her at the alter only to come and surprise her at the end in a romantic gesture. Might they still be an item?
Meanwhile, Homer, Lenny and Carl get enticed by a headhunter from Capital City Nuclear and nearly leave Springifled when Mr. Burns threatens to take away their donuts. However, in the end, Mr. Burns comes groveling back, mostly so he won't lose this years tug-of-war competition. He bribes them with some high-end donuts.