Complex sentence: His wife turns on the light and rolls over to speak with him, and it becomes clear that she is not Joanna, but the dark-haired Emily (Suzanne Pleshette, Hartley's wife from "The Bob Newhart Show").
Split into simpler sentences: His wife turns on the light and rolls over to speak with him. It becomes clear that she is not Joanna, but the dark-haired Emily (Suzanne Pleshette, Hartley's wife from "The Bob Newhart Show").