Lilo & Stitch: The Series - Season three

The third season of the American animated television series, Lilo & Stitch: The Series, produced by Walt Disney Television Animation. It consists of 35 episodes. It takes place after the events of Leroy & Stitch.

Plot
After saving the universe and the experiments as well as defeating Dr. Hämsterviel, Leroy, and his army of Leroy clones, the ʻohana resumes their daily and usual days of their lives. As Lilo and Stitch settle and continue to have their adventures and antics, having Stitch's cousins join in, and having the lovely Angel added to the Pelekai daily routine, a new threat comes to Hawaii as Lilo and Stitch never faced before as these enemies, old and new, formed to test their ʻohana.

Main

 * Chris Sanders as Stitch, also known as Experiment 626, an experiment and Lilo's best friend. Stitch has a happy life with his ʻohana but has to take action once a new threatens to destroy everyone and everything he cares about.
 * Daveigh Chase as Lilo Pelekai, Stitch's best friend. Lilo has a happy life once her alien family returns to stay but faces a new threat that will result to test her ʻohana.
 * David Ogden Stiers as Dr. Jumba Jookiba, an alien scientist who created 629 experiments, including Stitch, and plays the role of Lilo and Nani's uncle.
 * Kevin McDonald as Pleakley, a fromer agent of the United Galactic Federation, he plays the role of Lilo and Nani's aunt.
 * Tia Carrere as Nani Pelekai, Lilo's older sister and guardian. Nani has been currently dating David, however, a new threat puts her at risk along with her ʻohana.
 * Dee Bradley Baker as David Kawena, Nani's boyfriend and local surfer. David gets put at risk when a new threat comes targets him, Nani, and her ʻohana.
 * Tara Strong as Angel, also known as Experiment 624, an experiment and Stitch's girlfriend. Angel lives within the Pelekai household where she adjusts to the attitude of her ʻohana, sometimes Lilo and mostly Nani's sister.
 * Rob Paulsen as Reuben, also known as Experiment 625, an experiment and Gantu's galley officer. He comes to Hawaii to be with Stitch and Lilo but also to look after them at Gantu's orders after being alert of a new threat.
 * Kevin Michael Richardson as Gantu, captain of the Galactic Federation and is reinstated after helping Lilo and Stitch defeated Dr. Hämsterviel, Leroy, and his army of Leroy clones.
 * Zoe Caldwell as the Grand Councilwoman, the leader of the United Galactic Federation.
 * Kevin Michael Richardson as Cobra Bubbles, a social worker and former CIA agent.

Recurring

 * Kunewa Mook as Moses Puloki, Lilo's former hula teacher up.
 * Amy Hill as Mrs. Hasagawa, an elder and sometimes forgetful fruit vendor who has some experiments as her "cats".
 * Liliana Mumy as Mertle Edmonds, Lilo's rival and occasional frenemy, she has an experiment Gigi as her dog and didn't believe in the existence of aliens until Gigi spoke.
 * Jillian Henry as Elena, one of Mertle's friends.
 * Kali Whitehurst as Teresa, one of Mertle's friends.
 * Lili Ishida as Yuki, one of Mertle's friends.
 * Derek Stephen Prince as Luki, the owner of Shave Ice.
 * Grey DeLisle as Susan Hegarty, the owner of the Aloha Animal Rescue.
 * April Winchell as Mrs. Edmonds, Mertle's mother.
 * Aunt Stacy, Mertle's aunt and Hollywood producer.
 * Kevin Michael Richardson as Officer Kahiko, a police officer.
 * Shaun Fleming as Keoni Jameson, one of Lilo's human friends.
 * Bryan Cranston as Mr. Jameson, Keoni's father, Nani's boss, and owner of the Birds of Paradise Hotel.
 * Alyson Stoner as Victoria, one of Lilo's human friends.
 * Dee Bradley Baker and Diedrich Bader as Merwin Finklestein and Dean, respectively, two self-proclaimed alien hunters who tried to expose the existence of aliens.

Villains

 * Jeff Bennett as Dr. Jacques von Hämsterviel, a gerbil-like alien who aims to rule the universe with Jumba's 624 experiments before. After escaping from prison, he teams with Delia and serves under her.
 * Chris Sanders as 627, an experiment created after Stitch and one of his rivals. After being rehydrated, 627 teams up with Hämsterviel and Delia to destroy Stitch and everyone he cares about.
 * Leroy, also known as Experiment 629, an experiment who is designed to be an improved version of Stitch and one of his rivals. After being freed from prison, Leroy teams up with Hämsterviel and Delia to destroy Stitch and everyone he cares about.
 * Mary Elizabeth McGlynn as Delia, a humanoid alien who plans on ruling the universe. She helps Hämsterviel escape and teams up with him with a plan to destroy Stitch by recruiting evil experiments.
 * Paul St. Peter as Experiment 000, Jumba's earliest experiments and the first one created. He gives himself cybernetic enhancements and has one instinct is to destroy the universe.
 * Roger Craig Smith as Dark End, an experiment created by Delia using similar genetic blueprints to that of Stitch. He is created for the sole purpose of destroying Stitch.

Trivia

 * New elements are introduced from Stitch! but does exclude the show itself.
 * The plot will hold similarities with DC, Marvel, and My Hero Academia.
 * This season the humans, and by the extension, the Earth knows that aliens exist and are aware of the experiments living in Hawaii.