This is it, Saturday's new episode "Dark Matter" is the final installment of "Green Lantern: The Animated Series" ever!
According to WB Animation:
In the season finale episode, the Aya Monitor returns to the dawn of time to stop all emotion and all life from ever existing. Now, Hal must find a way to stop her - while Razer realizes the only way to save the universe may mean killing the woman he loves
"Green Lantern: The Animated Series" airs as part of DC Nation on Saturday, March 16 10:00 a.m. ET/PT On Cartoon Network.