I am completely new to using Torrents but I decided that it is best to learn to use it. I decided I would like to download the first season of Pokemon and I found a torrent that looks "legit" enough on Isohunt.com. I downloaded it and dragged it into my BitTorrent and the window showed up asking me which files in the torrent I wish to download. I wanted to try only downloading a single file (a single episode) so I unchecked all the files other than the first episode and when I clicked Download, it started to download the entire Torrent (which is 17GB instead of ~170mb for the first episode) instead of just the one file I left checked.

What am I doing wrong, and how do I properly limit which files to be downloaded?Will it show the entire torrents size(which is 17GB) and just stop at 170mb instead of finishing the 17GB? Is that normal?

Tips would be appreciated!