When does Common Side Effects return?

Common Side Effects is an American adult animated television series created by Joseph Bennett and Steve Hely. The series premiered on Adult Swim on February 2, 2025, to critical acclaim. The pilot episode premiered privately at the Annecy International Animation Film Festival in June 2024, and publicly a month later at Adult Swim's San Diego Comic-Con panel in July 2024. It was announced the series was renewed for a second season.