According to Jim

The Mustache (4x17)

Yayınlanma tarihi: Mar 08, 2005

A hot delivery girl gives Jim some fashion advice, prompting him to grow a mustache, which Cheryl hates. Cheryl retaliates by becoming a brunette - but Jim loves it. After a chance meeting with the girl, Cheryl asks her to give Jim suggestions that will make him look ridiculous.