FREE HBO, Showtime, Starz, Cinemax & CBS 7-Day Trials (Amazon Prime)
7-day free trial - $14.99/month after trial
Make sure you have an Amazon Prime account first.
Pick any channels you want to start trials for here:
-Start your Showtime trial here.
-Start your Starz trial here.
-Start your Cinemax trial here.
-Start your CBS All Access trial here.
-Start your HBO trial here.
You can manage your subscriptions under your account then look for “Manage Your Prime Video Channels” (or click here when logged in)