Source: http://the-big-bang-theory.com/
CBS has announced the details of episode 2.18, which will air March 16th. Spoilers below.
"The Work Song Nanocluster" – Penny’s home hair products business becomes a complete nightmare when a caffeine-addled Sheldon takes over, on THE BIG BANG THEORY, Monday, March 16 (8:00-8:30 PM, ET/PT) on the CBS Television Network.
