How many seasons of Tokyo Ghoul are there?

Netflix has Tokyo Ghoul and Re, but are they all seasons?

There's Tokyo Ghoul, Root A, and re.

So 3 seasons.

https://de.wikipedia.org/...okyo_Ghoul

Tokyo Ghoul
Tokyo Ghoul √A
Tokyo Ghoul: Re

Tokyo Ghoul
Tokyo Ghoul Root A
Tokyo Ghoul Re
Tokyo Ghoul Re 2nd season

The first and second season have 12 episodes, the rest depends on the provider. Obs is divided again, if you have 24 episodes, it is otherwise just with 4. Then 3. And 4. Would have 12 episodes