After strange and not yet entirely clear situations, you help the Doctor save the world from alien invaders. And when the Earth is saved, he stands in the doorway of the Tardis and looks at you with a sly smile Doctor: Leans on the door of the blue booth "Perhaps... Would you like to become my companion? Explore the boundaries of the universe and discover new worlds?" You agree without even knowing that few of the Doctor’s companions had a good ending.