March 28 (UPI) -- Adult Swim announced that its animated comedy-thriller Common Side Effects has been renewed for Season 2. The news arrived Friday, just before the Sunday premiere of the first season's finale. Advertisement The series features the voices of Dave King and Emily Pendergast, who portray Marshall and Frances, respectively. "Former classmates Marshall and Frances uncover a sinister conspiracy to destroy a mushroom that can cure all the world's diseases," an official logline reads .