Jessica Raplansky was Stan's Spring Break Buddy in "Spring Break-Up". Jessica and Stan were also Splash Buddies. When her break was over, she headed back to college at Rutgers leaving Stan dejected. Stan decided to head to Rutgers and try to convince her to come back and keep partying with him. After stopping off at her sorority Theta Sigma (ΘΣ), Stan finds out she's in class and rejects his pleas to come back, saying she needed to get back to her studies.
When Hayley and Jeff first try to elude Roger in "Son of Stan" at the hotel, Jessica cameos in the hotel's pool
Jessica frolics in the pool at a tropical resort in "Killer Vacation", can be seen at the revamped "Roger's Spot" in "Roger Passes the Bar" and bumps into newly-single party guy Stan in "Dreaming of a White Porsche Christmas". When they race to the beach, their horseplay results in Jessica crashing into a tree.
She is in the funnel cake line in "The Witches of Langley".
She is voiced by Leisha Hailey.