

When Mary is concerned at Calvin and Brenda's nonchalance about teenage pregnancy, she designs an experiment with their sex education class where the kids must take care of an animal. Brenda and Calvin "adopt" a piglet named Alberta and she is a handful. All of the kids in the class realize how hard it is to take care of animals, let alone a baby.
When The Owls Men's Club is giving Lester an award, Mary is excited until she finds out that women are not allowed in the club. Mary decides to dress up like a man (and Sandra has the same idea) and go to the ceremony. After Lester gives his speech, Mary (still disguised as a man) runs up and kisses Lester! That's when she reveals who she is. Before she is escorted out, she gives a speech that says they should allow women into the club on special occasions like that one. They vote and agree on it.