The Work Song Nanocluster

Summary
Penny starts her own business and asks Sheldon for help. The other guys become involved and they end up spending all night trying to ship an order for one thousand “Penny Blossoms.”

Critics
"This show is in danger of wearing thin. Its formula frustrates any growth, character development or sense that these stories have any consequence. In an episode like this where the humour isn’t strong, it becomes particularly grating." - The TV Critic's Review