You were there, Saturday evenings spent at home, watching the dark parade of monsters and mutants. And if Kiki Smith’s recent show is any indication, she was, too. Count Floyd, queso as ever—fake fangs, fake hair, fake accent, fake everything—telling you about tonight’s Creature Feature, Island of the Mushroom People. Even more queso than the Count. Seems impossible, but it’s true. A crew of Japanese scientists gets shipwrecked on an island inhabited by walking, sentient mushrooms. If they touch you, you turn into a mushroom person, too—but slowly, by inches, fungus sprouting out here and there,