The podcast episodes provided touch on several aspects of the relationship between Protestantism and Catholicism, including key theological differences such as the doctrines of sola scriptura and the role of saints and Mary in worship.

Episode 52575 explores the Catholic and Protestant perspectives on praying to Mary and the saints, while episode 58532 discusses the Catholic understanding of the Mass and the importance of sacrifice, which is seen differently in Protestant theology.

The episodes also briefly mention the impact of the Protestant Reformation on the Hanseatic League, a medieval trade network, in episode 58139.