Last year, I decided to watch all of the old Doctor Who episodes. Not the current series that began in 2005, but the old one that began in 1963. Finished it earlier this year, though my weekly wrap-ups of individual seasons haven't all been published yet.
If you've been following them, and have decided you want to watch it, well, then, I'll welcome you aboard the TARDIS. If you still aren't sure, or if you want to offer something to friends to help them decide if they want to watch the old show, let me offer this. It's the original sales pitch to the BBC for the show:
Now Who can argue with that?