When the local library proves to be useless for the kids class project, Marge tells Milhouse, Bart, and Lisa three Simpsons-style historical accounts: Henry VIIIs (Homers) attempts at siring a son, Lewis and Clark (Lenny and Carl) exploring the USAs wilderness with Sacagawea (Lisa), and Salieri (Lisa again) out to ruin piano-playing virtuoso Mozart (Bart).