As a former Space Marine Legion, the Thousand Sons share many similarities and background with other Space Marine chapters and legions in the Warhammer 40k universe.
The podcast episodes delve deeply into the lore and history of Space Marines, covering various aspects of their creation, capabilities, and roles within the Imperium.
Several episodes focus on specific Space Marine Legions and Chapters, such as the Night Lords Sevatar: We were murderers first, last and always | Warhammer 40k Lore, the Thousand Sons THE THOUSAND SONS: ALL IS DUST | Warhammer 40k Lore, and the Dark Angels Episode 16 - Dark Angels - The rise of the 1st legion under the Emperor and their reunitment with the Lion.
Other episodes provide a broader overview of Space Marines, discussing their recruitment, genetic enhancements, and power armor, as seen in Episode 32 - What is a Space Marine & what is Space Marine Power Armor.