The World Traders

When a day out in 21st Century London leads to the TARDIS being impounded, the Doctor and Leela find themselves getting involved with the mysterious Amapan Investments, a company that’s managed to become remarkably successful in a remarkably short amount of time.

So what’s their secret? The Doctor and Leela are about to find out.

The Usurians have come to Earth. And they have big plans.