Episode 5 - "More Dakka"

(History of the Only War game; The system of Only War - regiments, specialties, aptitudes, logistics, missions; Discussion on the Heavy Gunner speciality - overview, builds & role playing; Review of Hammer of the Emperor; Running a military campaign)

Episode 4 - "Lead the Black Crusade"

(History of the Black Crusade game; The system of Black Crusade - advancement, system changes, compacts; Discussion on the Champion archetype - overview, builds & role playing; Review of Tome of Fate; Running an evil campaign and managing a mix of Chaos Space Marines and Heretics)
Links from this episode: @BakedBoons' Dark Heresy write up, WarbossTae on Youtube