Apologies for the Frivolity (S04E06)

Although Charlie doesn't get along with his sharp-tongued, passive-aggressive mother, he is strangely attracted to Lydia (recurring guest star Katherine LaNasa), a blonde high-end real estate agent - which is exactly what his mother is. Unfortunately, the similarities don't end there, and the relationship soon begins to seem a little too familiar for comfort. (Warner Bros. UK)