Episode 1: Catachan Capers is the first episode of BRO TRIP 40,000: A Tale of Two Primarchs.
- Corvus Corax
- Kayvaan Shrike
- Colonel 'Iron Hand' Straken
- Gunnery Sergeant ‘Stonetooth’ Harker
- Sly Marbo
- Masque of Slaanesh
- Astropath Sassafras
- Brainghost Ferrus
- Barbican Serf
- Catachan Fang Wielder
- Night Reaper Wielder
- DEVIL'S CLAAAAAW Wielder
- This episode is the first to use the new annotations providing context and lore for various terms that get mentioned.
- In the credits, Kiwi's name is linked to the wikipedia article for biscuits and gravy instead of his youtube channel.
- In one of the outtakes, instead of laughing, Magnus says "Look at this cookie I found."
- At the end of the episode, one of the Jungle Fighters says "If only drill instructor Barnes could see me now!" This is a line from NPCs in Half Life: Opposing Force.