how much do you know about dr. who?

I just started watching the latest series on Sci-Fi and anotehr series premieres on BBCA in November. A lot of my friends were into it growing up and the local PBS affiliate used to show it late at nights, but I never watched it then.

Loved it as a kid -- started off with William Hartnell and his granddaughter up against the Dalecks.Not exactly sure who was next maybe it was Patrick Troughten (sp?)and the granddaughter got quite a bit older -- poss next John Pertwee After that The inimitable Tom Baker with a sexy savage 'companion' Kayla ( or something) there were at least a couple more after that but I didn't like them as much as Tom ( fav)