

The TARDIS lands on the planet Vulcan where, on arrival, the Doctor witnesses the murder of the examiner, a man sent from Earth to check on the human colony located on the planet.

Despite this, Polly believes the man is still the Doctor, while Ben suspects he is an impostor. Initially in a state of intense, pained confusion, at last regaining calm by maintaining his focus on a single lever on the TARDIS control console, the new Doctor seems to ignore or deliberately misunderstand direct questions and sometimes refers to his previous self as though he were someone else. (February 2017) () and watch the collapse to the floor of the and then change into a. Please by removing unnecessary details and making it more concise.
