How do you review a show like Doctor Who that has been running for so long, enjoying dizzying highs and terrible lows (I'm looking at you The Twin Dilemma). The concept is the most open there can be. With the TARDIS the show can go anywhere and any when. This lead to a huge range in the stories, from historical with no alien involvement like The Aztecs (1964), to full on sci-fi like The Daleks (1963) and that was just the first series. The show created some of the most …