In Plankton Soup (Second Helpings) Sutton has fused recurring themes such as Life, death, religion, war, romance, sociology, sexual orientation, mythology, genitalia, science fiction, vaudeville theatre, politics (vaudeville theatre again), geography, medical ethics, philosophy, black magic, fashion, cinematography, art, music, history, quantum physics, chemistry, literature, micro-biology, comic fantasy, contemporary culture, foreign languages, archaeology, mental illness, umbrella stands, and biscuits.
