Eric and Annie are taking prenatal classes--- for the sixth time. Annie helps two teenage girls get through their pregnancy while Eric helps the two teenage fathers deal with the news and finding a job. Simon is taking babysitting classes and gets his first job babysitting Ruthie, although it doesn't go quite the way he expected it to. Meanwhile, Mary is sneaking to a coed basketball sleep over. Plus, Lucy is thinking of having sex with Jordan to see if he's really attracted to her, but it blows in her face. Lastly, Matt has to do research on sex for his class and is having trouble over finding a topic..