The podcast episodes from 'The 40k Lorecast' cover the Imperium of Man's perspectives and interactions with various Xenos Races, such as the Orks, Tyranids, Eldar, and Tau.

In Episode 40, the hosts discuss the Imperial Guard's propaganda and portrayal of these Xenos threats, while Episode 21 touches on the involvement of Necrons, Tyranids, and Eldar during the 13th Black Crusade. Additionally, Episode 15 mentions the resurgence of Orks and Drukhari during the Scouring period after the Horus Heresy.

These episodes provide insights into how the Imperium and its citizens view and respond to the challenges posed by the diverse Xenos Races in the Warhammer 40K universe.