To avoid playback issues when streaming through showtime.com, please upgrade your Firefox browser to version 78 or above, and then clear your cache before streaming from showtime.com. Or use a different supported browser.
If you experience any issues after upgrading your browser, and you don’t have another browser to use, please open a Private Browser Window (Incognito mode) and try again.
To open a Private Browser Window in Firefox, click on the Firefox Menu in the upper-right-hand corner of the browser and select New Private Window. You can also use the shortcut Shift + ⌘ + P (on macOS) or Shift + CTRL + P (on Windows/Linux).