The Randomness of Free Will

"I'm bored."

They were having a picnic. There was grassy heathland all around them. They'd explored a little but the Doctor's interest had waned rapidly when monsters failed to appear and no one tried to arrest them.

"Why can't we go somewhere interesting," he complained.

"It'll be the randomiser," Romana explained for what felt like the umpteenth time. "Most of the universe isn't filled with adventure. It's just, well, empty." She shrugged.

The Doctor humphed. "I'm going to have to tweak that randomiser. It can select from locations picked by the TARDIS. All this free will won't do at all."