Planet (The Pilot)

While getting away from the sentient oil, the Twelfth Doctor went to a planet located on "the other end of the universe" to find out how long it would take for the oil to get there.

The TARDIS landed on the planet 23 million years into the future. (TV: The Pilot)

Behind the scenes

 * In a BBC One Facebook promotion, this planet was referred to as Epsilon Delta.