
Whovians (Dr. Who fans) can tell you what a TARDIS is, but in case you don'tknow, I can tell you that it is a time machine. Well, it's not justa time machine; it's a time-and-space machine. The acronym stands for Time And Relative Dimension In Space. It looks like a battered blue Police call box. And it still looks pretty much the same, now, 51 years later.
You know what doesn't look the same? Dr. Who himself. Our Time Lord has been played by eleven different actors. (I mean, come on, the show's been on for decades and decades, although it was off the air from 1989 to 2005.) How does the show explain all these different-looking Doctors?
Whenever the Doctor, who is a humanoid alien, has a major injury that would kill most creatures, he undergoes a life process in which he takes on a different body and, to some extent, a different personality.
Good vs. Evil
There are all these galactic bad guys, but Dr. Who and his human companions fight back and work to rid the universe of evil! When it comes right down to it, an awful lot of TV and movies and books deals with this ultimate struggle.

Take a peek...
You can find Dr. Who on TV or Netflix or (if you are in the U.S.) BBCAmerica, but you can also check out the short videos on theBBC's You Tube channel.
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