Unit 1 : Medicine & Drugs (What are medicines, Whose medicine is it, A trip to the drugstore, What are inhalants) -- Unit 2 : Tobacco (What's bad about smoking, Stand up for yourself, That smoke is making me sick, Tobacco is not just in cigarettes) -- Unit 3 : Alcohol (What's the message, Are these drinks really alcohol, Say it and mean it, It's not your fault) -- Unit 4 : Illegal Drugs (Someone you love has a problem, Drug users are losers, A play: a day in the park, You don't have to prove anything).