A band explains how to calculate percentages in a catchy song.

Dre enters into a karate tournament and is initially scared of the opponent. He overcomes his fear and starts winning his matches using the techniques he learned from Mr. Han. When Dre strikes his opponents.

Winston Churchill addresses the House of Commons with an inspirational speech in which he expresses confidence in winning the war against the Nazis. Churchill uses not only eloquent words but also strong body language to boost the morale of the British people.

The crew is trying to reach the shuttle that already landed on the asteroid. While traveling to it, the crew members come across a giant ravine in the asteroid and have no way to cross it. Since there is less gravity on the asteroid, they try to jump over the ravine. They successfully jump over it, and their trajectory leads them away from the asteroid, but they manage to turn the engines back on in time to return to the asteroid.

In order to get the Doctor to help her, Clara must past Vastra's test in which she must describe the her situation in one word.