However, every actor who plays Doctor Who eventually has to say goodbye to a beloved companion, and Ruby made the difficult decision to leave the TARDIS at the end of the season 14 finale.

Tennant is speculated to return as the 16th Doctor, but this idea may not be well-thought-out. Bringing Tennant back could interfere with the character arcs of the 14th and 15th Doctors.

Following the renovation of the TARDIS ... exterior spinning as it travels. This would become a standard in future stories. The legendary Atlantis gets its third and (to date) final outing in ...