How do I cancel my subscription? is a free site with no subscription or registration, so there's nothing to cancel. 

If you were watching Star Trek episodes through your CBS All Access account, and you wish to cancel, please contact Customer Support at, and click "Contact Us" in the top right corner. 

Don't forget, CBS All Access subscribers have access to the entire Star Trek franchise on demand, from The Original Series all the way through Enterprise, and they can catch up on every single episode, along with over 100 other TV series and specials with CBS All Access. 

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