[action]
[The Doctor happens to be about for a walk when he spots a familiar figure in the distance. He considers jogging up to the other man and demanding to know where he's been, but thinks better of it. There's no guarantee Jack is from a point in time at which he'd be terribly happy to see the Doctor, or that he even knows what's going on. The Doctor instead ambles over to him, hands in the pockets of his long brown duster, expression solemn but welcoming.]
Well. Look at what the cat dragged in. Hello, Jack.