Watch United States of Tara Season2 Episode8 "Explosive Diorama" online free streaming video. Tara (TONI COLLETTE) has never felt better as she and Lynda (VIOLA DAVIS) prepare for their art show. Kate (BRIE LARSON) lashes out by starting a new controversial business, while Marshall (KEIR GILCHRIST) grows closer to his friend Lionel (MICHAEL WILLETT). Max (JOHN CORBETT) makes a decision that will change everything. Charmaine (ROSEMARIE DEWITT) strives to balance both Nick (MATTHEW DEL NEGRO) and Neil (PATTON OSWALT).