Hello, aebudney. Thanks for reaching out to us on the forums. Normally, to add Showtime it's $12.00 a month. If you would like me to take a look at your account to give you a more exact price, send me a PM with your first and last name so I may further assist you.
To send a private message, please click my name "ComcastMichael" then select "Send a Message" on the right side.
Hello, arbudny. I have not heard back from you. If you still need assistance, please feel free to start a new thread.