Wait, wait. John holds up a hand to back up TJ, frowning in thought as he reassesses the whole Abaddon thing.

"The cannibals were outside Cardiff," he says finally, because he does remember that bit. Anyway -- "This is actually horribly plausible. I mean, we're buddies with Hermiod and the SGC spent a long time dealing with Ba'al."

So, in the grand scheme of things... John turns his squint on Ianto.

"I still don't like your hell-mouth situation, thought."

Just so they're clear on that.