“Leela: "There are many implements here that would make excellent weapons. See, over there! With a few modifications, that could be an effective tank!"

The Doctor: "It's a ride-on lawnmower."

Leela: "It's churning blades would be a fearsome sight as we rode into battle!"

The Doctor: "I'm not sure we'd be such a fearsome sight riding into battle at three miles an hour.”