Doctor Who is the longest running sci-fi tv show ever. It originates from the BBC in Great Britain. The Doctor is a Time Lord. He is able to pass through time and space to different locations and dates. The TARDIS (Time And Relative Dimension In Space) is his vehicle. It is much bigger on the inside than on the outside and is designed after a Police Box Telephone booth. Celebrate the Doctor with this great necklace that features a intricate TARDIS design.