Well that explained a few things. Henry sighed, stroking Pongo absently. "We've been transported here against our will. There's a man calling himself Q and he's very powerful. Even more so than Da--than the Dark One." No need to confuse the man either further.

"Welcome to the the starship Enterprise NCC 1701-D. Also, a few hundred years into the future."

He'd deal with the man's confusion about the situation first, then talk about timelines.