She attended Penny's , in "The Middle Earth Paradigm", and bumped into Raj after having downed a couple of , or so we think. She proceeded to ask him "How wasted am I?" Raj did not answer because of his . Later that night, Cheryl, through no or whatsoever from Raj, had with him, calling him "such a good ."
In "The Pancake Batter Anomaly", Cheryl was seen again working at the Cheesecake Factory, and when a sick Sheldon appeared. She then warned Penny about the "crazy guy at 18", to which Penny answered, "no... just crazy".