Tensai Bakabon tells the story of a child prodigy and his "philosophical" father. Bakabon’s father adheres to his own philosophy, leaving no stone unturned in his search for answers. Although he has the ability to cause trouble, Papa Bakabon is somehow regarded as "The Great Philosopher" and sought out for advice, which inevitably leads to disastrous results. Tensai Bakabon accompanies his father on these philosophical quests, driving the townspeople crazy.