Clone Capt. Rex has had it with Pong Krell. And he's ready to take the crabby general down in "Carnage of Krell," the final chapter of the Battle for Umbara story arc debuting at 7 p.m. Nov. 18 on Cartoon Network.

Here's a description of the episode. Watch a preview in the player above.:

With two of his men facing execution for disobeying orders, Captain Rex is forced to confront his overly aggressive commander, General Krell, in the conclusion to the action-packed battle for Umbara. Risking charges of mutiny, Rex must make a dark choice as the true face of the enemy emerges.

<p>Track the entire season of "Star Wars: The Clone Wars":
"Plan of Dissent"
"The General"
"Darkness on Umbara"
R2-D2 & C-3PO are back
"Shadow Warrior"
"Prisoners"
"Water War"
Season 4 preview