The Doctor rubs his nose and looks away at her glare, letting the Master and the Rani talk about goddesses and madness and… giant dinosaurs, apparently.

He starts to laugh. Covers his mouth with his hand. Laughs some more. –starts calculating in his head and taking odds as to which one of them is going to hit him first–

“I saw that,” he says through his giggles. “It’s green and it talks.”