Star Wars: The Clone Wars (2008)

S2E19 The Zillo Beast Strikes Back

At Palpatine's command, Republic troops bring a terrifying Zillo Beast to Coruscant for research purposes. Driven by a desire to harness the creature's powers for military advantage, Palpatine instructs his chief scientist to study and then eliminate the beast. In a surge of rage and agony, the Zillo Beast breaks free from the laboratory, wreaking havoc throughout the city. As chaos ensues, Anakin, Padmé, and Palpatine become targets of the rampaging creature while the Jedi work tirelessly to subdue it.