Zouichi blinked. "Wait, Engineering slime? What were you doing swimming in Engineering slime?"

Alan stared right back at the stranger, unblinking, the cogs slowly turning in his parrot brain. Weighing the Doctor. Judging him. When the Doctor extended his finger, Alan seemed to come to a decision. The bird leaned out with his beak... and bit the Doctor, hanging from his finger like a brightly-feathered hall decoration.