Editing Charlie Harper (section)

==== Season 4 ====
Charlie enjoys life with his brother having moved out, and his fiancée having left him. Charlie throws parties every night and enjoys the single life. Alan knocks on Charlie's door, four months after getting married and announces that Kandi kicked him out. Charlie has to deal with Alan and Jake moving back in, and Alan's second divorce.

Charlie starts a relationship with Lydia, a stuck-up snob in real estate that Alan, Jake, Rose, and Berta think is exactly like Evelyn, which is why Charlie dates her. The couple eventually break up when Lydia gets into a fight with Berta and they make him choose.

One Christmas, Charlie has a one-night stand with a woman named Gloria, who is revealed to be his and Alan's half sister from when their mother's husband had an affair with another woman.

Charlie has a brief relationship with Judith's fiancé's sister, Myra Melnick. The relationship doesn't go further when Charlie learns that Myra has to go home to her fiancé.