It will be Parcells, unless aliens haul him away to Halas, the undiscovered planet of lost coaches.

The ship takes them to a supposedly undiscovered planet, covered with jungle a mile thick.

As for voyaging outside the Solar System, to the still undiscovered planets of other stars, few scientists believed that it would ever be possible.

But they might as well have been on another, undiscovered black planet so far as rock's mainstream knew.

We're not set up to lie doggo on some undiscovered planet.

Further undiscovered planets of 51 Pegasi would be designated c, d, e, f, and so on.

A space expedition crash lands on an undiscovered planet.

They decided that these eccentricities (or perturbations, as they are called) could only be caused by the presence of another, yet undiscovered planet beyond Neptune.

Melancholia-Another well-praised 2011 film depicting an encounter between Earth and a previously undiscovered planet.

Some astrologers have hypothesized about the existence of unseen or undiscovered planets.