Doctor Who: The Eleventh Doctor #3.7

The TARDIS team came across a huge spaceship… in what was supposed to be completely abandoned space. Once inside, they found enormous microclimates filled with everything from pterodactyls to burning suns! Of course, the wonder did not last as they were chased by memory parasites – the Thrakes – and the world inside the ship began to disintegrate, just as they came face to face with a mysterious coffin…