Eight. Which meant that either Ianto back in his dimension and team was better at keeping secrets than Jack had previously suspected, or that this Ianto was a different version of Ianto.
"I was in a club," he offered. "Following up on Tosh's reports, met a guy who'd dropped through from somewhere else, when we got out, it was here."
And no chance that he'd be letting on how long he'd been there or that he'd not found a way back until he knew more about Ianto.