Viagra: The Little Blue Pill That Changed the World

1. The Hard Science: In England, scientists are on the verge of shutting down a failed heart medication drug trial when a few subjects report a very unusual side effect.
2. The Hard Sell: The marketing team grapple with how to sell an erection drug without bringing down the reputation of a conservative company in a storm of controversy.
3. The Hard Truth: Viagra is released to a wave of hysteria, headlines and huge sales. But now, the carefully crafted marketing message is out of the team's hands. (Discovery Channel)