What started the Vax/Grog prank war?

anonymous asks: What episode started the vax/grog prank war? I am asking during stream. I know it probably started pre-stream. I'm thinking its the tripping in the underdark.

Indeed, Grog tripping Vax- in retribution for Vax saying that the ground water/sulfur smell of the air smelled like Grog- is the start of the prank war in Episode 5 at 1:43:50.

We were also informed by Travis that the prank war started on day one of the campaign, when he realized that he could do absolutely anything in game (”So… I can punch Vax?”).