from StarWars.com:
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 in “Carnage of Krell,” a new episode of Star Wars: The Clone Wars, airing at 8:00 p.m. ET/PT Friday, November 18th on Cartoon Network.