Star Wars: The Clone Wars Season 7 Episode 4 -Unfinished Business Episode Title:Unfinished Business.Episode Description:Back on Anaxes, Obi-Wan Kenobi and Mace Windu lead a final stand against the Separatist forces commanded by Admiral Trench. Anakin, Rex, Bad Batch and Echo embark on a mission to strike at the heart of Trench's command ship, all the while questioning the rescued clone's loyalty to the Republic after years of unwittingly serving the Separatists. Proving his loyalty once more, Echo uses his cybernetic implants to foil the droid forces on Anaxes, but Trench activates a bomb that could destroy most of the planet. Anakin confronts Trench and successfully obtains the deactivation code before executing the admiral. As the Republic emerges victorious, Rex gives Echo permission to join the Bad Batch.