I never watched the show before and just started the new series that started in '05. I'm hooked! I wanted to watch the original series but I'm a little confused. Netflix has "Classic Doctor Who" which is 18 seasons long, each season having about 4 episodes (example, season 1 is The Aztecs episodes 1-4). But the IMBD website shows 26 seasons, and a totally different episode list close to 700 episodes.
Why are they different? How are they related to each other?
Why are they different? How are they related to each other?