Which animated 'Star Wars' series, a spin-off from 'The Clone Wars,' follows the elite squad of experimental clones known as Clone Force 99, or 'The Bad Batch,' as they find their way in a rapidly changing galaxy in the aftermath of the Clone War?

The animated series you're thinking of is Star Wars: The Bad Batch (Review). This show is a direct spin-off from the critically acclaimed Star Wars: The Clone Wars, picking up immediately after the events of Order 66 and the Galactic Republic's transformation into the tyrannical Galactic Empire. It delves into the lives of Clone Force 99, a unique squad of genetically modified clone troopers, as they navigate a galaxy that suddenly views them as obsolete and hunts them as fugitives.

Clone Force 99, often referred to as "The Bad Batch" due to their unusual genetic mutations, consists of Hunter, Wrecker, Tech, Crosshair, and the enhanced ARC trooper Echo. Each member possesses a distinct ability that sets them apart from the regular clone army, such as Hunter's enhanced tracking skills or Wrecker's incredible strength. Their unique genetic makeup also meant their inhibitor chips, which forced other clones to obey Order 66, were mostly ineffective, allowing them to resist the command to turn on the Jedi. The squad was named in honor of Clone 99, a malformed but courageous clone who sacrificed himself during the Clone Wars.

The series explores the profound impact of the galaxy's shift from Republic to Empire through the eyes of these elite soldiers. As the Empire begins phasing out the clone army in favor of conscripted Stormtroopers, Clone Force 99 finds themselves without a war to fight and an oppressive regime to contend with. Their adventures see them taking on daring mercenary missions while grappling with their identities and purpose in a rapidly changing political landscape, all while protecting a young, unaltered female clone named Omega, who becomes an integral part of their new "family." The show offers an engaging look at the immediate aftermath of the Clone Wars, a period rich with significant lore and character development.