This episode talks about the third rule of the subjective and objective case rules which says, "When comparing, we use the subjective case of the personal pronouns at the object position."

Arsenal seems stronger than they(are).

My sister cooks better than I (cook).

"Are" and "Cook", which are in brackets, in the two sentences have been omitted and this omission is called Ellipisis. TAKE AWAY:

"Be a free thinker and don't accept everything you hear as truth. Be critical and evaluate what you believe in."

–––Aristotle.