Penny's home hair products business becomes a complete nightmare when a caffeine-addled Sheldon takes over.
Cast Appearances
Kaley Cuoco
as Penny
Episode Discussion
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Penny's home hair products business becomes a complete nightmare when a caffeine-addled Sheldon takes over.
From archived tv.com trivia:
Music in the episode:
"Sabre Dance", a cappella by Sheldon and Howard; "Blow the Man Down" by Sheldon and Penny; "She'll Be Coming 'Round the Mountain" by Sheldon and Penny; "I've Been Working on the Railroad" by Leonard, Howard and Penny; "Sixteen Tons" by Sheldon