Watch The Carrie Diaries season 1 episode 4 online for free. UNCOMFORTABLE SITUATIONS â€” When Carrie (AnnaSophia Robb) is invited to a Halloween party in the city by Larissa (Freema Agyman), she decides to invite Walt (Brenden Dooling) to go with her to keep her company. It doesnâ€™t take long before the night goes awry and Carrie is forced to babysit Larissa, who has clearly taken too many drugs. Walt finds himself in an uncomfortable position after a party guest gets a little too close for comfort. Elsewhere, Maggie (Katie Findlay) convinces Mouse (Ellen Wong) to go with her to Sebastianâ€™s (Austin Butler) Halloween party at the diner to help keep tabs on him. After Dorittâ€™s (Stefania Owen) attempt to sneak out of the house is thwarted, she discovers hanging out with her father (Matt Letscher) isnâ€™t so bad. Jennifer Getzinger directed the episode written by Henry Alonso Myers.