Taroticum: The Devil
"It was a mistake in translation," the Master explained, covering the three of them with his gun. "I'm surprised the Doctor never told you."
But Jo was already putting two and two together. Her fists knotted. "All those times," she said quietly. "All that work. And you never told me."
The Doctor shrugged, shame-faced. "I couldn't --"
"You'll be coming with me, Miss Grant," the Master interrupted. "The Doctor will have to do without his TARDIS, and without his replacement for it."
"I don't understand," the Brigadier repeated.
The Master indicated the TARDIS. "Tea And Relative Dimension in Space."