"Just ignore them and they'll ignore you," the Doctor said, firmly, pushing further into the woods. "At least we can see them coming."

Which was, of course, the point in which something very large and very unpleasantly snake-like dropped from one of the branches, its fanged jaws missing the Doctor's head by inches.

There may or may not have been a girlie scream in there from the Doctor, though he'd never admit it. He leapt ahead, grabbing the nearest branch he could and taking a swing at the snake.

"Look out!"