Doctor Who: The Wheel of Ice

The Wheel. A ring of ice and metal turning around a moon of Saturn, home to a mining colony supplying a resource-hungry Earth—a colony plagued by problems. Equipment failures and thefts are on the rise. Children tell stories of mysterious creatures glimpsed aboard the Wheel. And some of the younger workers refuse to go down into the warren-like mines.

And then one of them, surfing Saturn’s rings, saves an enigmatic blue box from destruction.

Once on the Wheel, the Doctor and his companions,...