This page contains a list of those episodes that aired on T.V. in North America. They were referred to as "CARDCAPTORS" as opposed to "CARDCAPTOR SAKURA." You can see the total was 39 episodes. In all actuality, the series had a total of 70 episodes, 2 Movies, and a cute little "Leave It to Kero" spin-off.
Link to the Original Japanese episode titles
The following episodes are a list of the English version produced by 4Kids.