Kang and Rosie go all out to make sure they'll have a smart baby when Marge tells them that their baby will be stupid since it will inherit Kang and Rosie's 'cannot pass PSLE' genes. Ironically, Aloysius comes home with bad O level results and doesn't qualify for JC. Meanwhile King Kong and Ah Goon buy a pedigree dog from their uncle with high hopes that they can train it to become a champion dog.