Whats going to happen to “my name is Earl?”?

I JUST seen the last episode of my name is earl, where earl ends up being dodges father and Darnell isn’t Earl Jr’s father.
At the end it says to be continued, I bought all the season’s on DVD and it says the finial season on the case of season 4.

Are the going to make another season of my name is earl? or is that really the ending?

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