"You're not stupid," the Doctor said hurrdiely, "you just don't know much about humans. Well, human culture, really. Human films and music."

He noticed he was well on the way to babbling and stopped. He pursed his lips thoughtfully and ate a few more jelly babies. "Maybe I can show you, if you want," he said. "We can arrange it to be a group thing. Everyone at the Manor. I'll take you in the TARDIS to see films and plays, and then everyone will be happy."

He stopped. He blinked. He smiled widely.

"Now there's an idea worth investigating!"