Kronos has taken down Uranus with the help of the other titans.
Kronos wife, Rhea bring him his child so he can meet them.
This scene shows Kronos eating his children as Rhea brought them to him.(side note, Scenes 2 and 3 happened many times before scene 4 occurred.)
(It wouldn't let a description box pop up for this one so I am using this)In this scene we can see that Zeus and his brothers are ready to fight Kronos.
We can see that Zeus and the gods were able to take down the titan king Kronos.