STAR WARS: THE CLONE WARS “Darkness on Umbara” Season 4 Episode 7 October 28, 2011 News, Star Wars: The Clone Wars STAR WARS: THE CLONE WARS “Darkness on Umbara” Season 4 Episode 7 airs Friday, October 28 8:00 p.m. ET/PT on Cartoon Network. Episode Synopsis: Tensions run high as the clones carry out Krell’s difficult orders and embark on the deadly mission to take the capital of Umbara in “Darkness on Umbara,” a new episode of Star Wars: The Clone Wars, airing at 8:00 p.m. ET/PT Friday, October 28th on Cartoon Network. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)