To create an account on TheTVDB.com, head to https://www.thetvdb.com/auth/register.

There, you'll be prompted to enter your email address, and choose a username and password. Complete the reCAPTCHA authentication, and click Register.

You should get an email asking you to confirm your email address. If you don't see this email within a few minutes, please check your spam/promotions folder. Once you click the link in this email, your account will be activated and ready to use.