She makes her first appearance in "Springtime on a Stick" watching a movie with Jake. However a drunk Charlie comes in and ruins Jake's chances. Jake ends up getting revenge on Charlie by inviting Evelyn over for dinner.
She makes her second appearance in "Those Fancy Japanese Toilets" after Charlie's death. She is very attracted towards Charlie's successor in the Harper Household Walden and tries to make excuses to go with him furniture shopping. When she meets Walden for the second time she gets turned on too much and ends up having sex with Jake.