Complex sentence: In "The Heartbroke Kid", it is revealed that Chalmers's sign is Sagittarius and he was mistakenly called "Super Nintendo Chalmers" by Ralph Wiggum in "Lisa Gets an" A "".
Split into simpler sentences: In "The Heartbroke Kid", it is revealed that Chalmers's sign is Sagittarius. He was mistakenly called "Super Nintendo Chalmers" by Ralph Wiggum in "Lisa Gets an" A "".