Doctor Who 100 Challenge: under the sea
Decompression
by Red Wolf
The Doctor hurried his companions along, but before he could get his sonic screwdriver out to secure the door behind them, there was the solid thunk of a lock, followed by the hiss of pressurisation.
Jack looked over his shoulder. "That didn't sound good."
The Doctor prodded experimentally at a monitor by the entrance. "It's better than being chased by an enthusiastic dustbin on wheels."
Jack shrugged. "Any idea where we are?"
"I think I know." Rose uncovered a window with a flourish and threw the external lights. A small fish darted out of view. "Could it get any worse?"