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"
"Darkness on Umbara"
R2-D2 & C-3PO are back
Season 4 preview