The Tyranids are a central focus of the podcast episodes, with the hosts exploring their origins, behaviors, and the devastating impact of their invasions on the Imperium of Man and other factions in the Warhammer 40K universe.

The hosts delve into the Tyranids' mysterious purpose and origins, as well as the various Hive Fleets that have invaded the galaxy, such as Behemoth, Kraken, and Leviathan. They also examine the tactics and strategies used by the Imperium and other factions to combat the Tyranid threat, as well as the Tyranids' ability to adapt and evolve in response to threats.

The Tyranids' unique biology, including their use of Genestealers and their domestication of creatures called Squigs, are also discussed in detail.