does anyone know about...........

Ive been seeing avdertisemesnts for this show recently and i watch it from time to time and recently ive seen an advert for an episode with a woman dressed like a cavegirl in the advert she takes off her extensions and says "goodbye hair that once belonged to another woman" im curious about this epsiode has anyone seen it or have any idea where to find it? or what series or epsiode it was thanks very much