“But, Doctor,” Sarah protested, “we can’t possibly just disappear into thin air. You know how annoyed the Brigadier gets when he’s expecting you to be on hand and then you go and do your vanishing trick.”

“Well, Sarah,” the Doctor sighed, barely hiding a smile, “if it will make you any…

manic moments of no consequence: “But, Doctor,” Sarah protested, “we can’t possibly just disappear into…