With David Tennant returning to "Doctor Who" a few years back, are there other Doctors who would come back? Here's how the ...

David Tennant and Doctor Who are a beloved duo like peanut butter and jelly. The actor went from being a fan of the sci-fi series as a lad to becoming one of the most popular Doctors of all-time.

Doctor Who has worked with many companions through his long tenure in space and time, but these were the absolute best the ...