President Barbie

In this SNL skit, "President Barbie", the little girls who are being convinced to buy the barbie doll are completed uninterested in the item. The ad speaker tries to persuade them that the barbie doll is a great toy to play with because it's a female just like them and on top of that, it's a presidential barbie.

This scene is a perfect example of situational irony. When you first watch the video, you expect for the girls to fall in love with the female doll, especially one that's in a presidential position. Instead, it's the exact opposite. They decide not to play with dolls and play with their other toys such as legos.
The skit makes fun of the little girls and their way of thinking. The idea of the doll is ultimately to try to change the way people think of women in general I guess by making a doll that's in a high position.