The Cosmic Adventures of Stella

 is an American animated science fiction-comedy television series, being created by. It is produced by Cartoon Network Studios and has premiered on Cartoon Network on June 3rd, 2019.

Synopsis
This series revolves around a little alien girl named Stella and her alien dog, Firgu, as they spend their lives on their home planet while getting into weird situations.

Main

 * /Stella/ (voiced by Tara Strong) - a smart, little alien girl who loves adventures and is very kind.
 * Firgu (vocal effects by Dee Bradley Baker) - Stella's pet alien dog who follows her around.

Supporting

 * Orion (voiced by Grey Griffin) - a 1-year old alien who is Stella's baby brother.
 * Halley (voiced by Vanessa Marshall) - a 17-year old alien who is Stella's older sister and usually has an unhealthy relationship with Stella, often picking on her and calling her a dork.
 * Unnamed parents of Stella (voiced by TBD and [Tara, Vanessa or Grey like one of her kids, Jennifer Hale, Kath Soucie, Catherine Taber, Nika Futterman, Hynden Walch, Kari Wahlgren, Jessica DiCicco, Cristina Pucelli, Jill Talley, Susane Blakeslee, Carolyn Lawrence or TBD], respectively) - Stella, Orion, and Halley's parents.
 * Dr. Armadeus Smellyfoot (voiced by Nolan North) - a geeky scientist who has a temper problem. He despises being called by his last name.
 * Leggard (voiced by Eric Bauza) - an alien who is Dr. Armadeus' lab partner.
 * Delilah (voiced by Kari Wahlgren) - a little alien girl who is Stella's best friend.
 * Felix (voiced by Jason Spisak) - an alien boy who is an emo.
 * The Bean Guy (voiced by ) - a strange imp alien who delivers beans that cause people to appear in strange worlds.
 * The Mecha Horse (vocal effects by Frank Welker) - a robot horse that Stella and Firgu encountered.
 * Lance Aston (voiced by Jerry Trainor) - a human astronaut who ended up having his rocket crash onto Stella's home planet.
 * Gary (voiced by Jennifer Hale) - a shy alien boy who Stella made friends with.
 * Hedgy (vocal effects by Frank Welker) - a hedgehog-like creature who Stella and Delilah encountered around their school and was decided to be kept as a pet by Delilah.
 * Kitroo (vocal effects by Tara Strong) - an alien cat who was saved by Stella and Firgu during a flood. He now lives with Patty.
 * Patty (voiced by Ashley Johnson) - a teenage alien girl who became Kitroo's owner.
 * The Crazy One (voiced by ) - an old alien who acts crazy.
 * Golly Gobb (voiced by Jim Meskimen) - a goblin alien who befriended Stella and Firgu.

Antagonists

 * King Cillos (voiced by Fred Tatasciore) - an evil and greedy king from another planet who wanted to take over Stella's home planet.
 * The Giant Robot (voiced by Steven Blum) - a giant robot who was supposed to protect the planet, but due to an electrical problem, it started attacking people and wrecking the planet.
 * Queen Coco (voiced by Ashly Burch) - an alien queen who TBD.
 * The Brain Monster (vocal effects also by Frank Welker) - a brain-like monster who started the whole invasion.
 * The Sneaky Ninja (also voiced by Eric Bauza) - a ninja alien who was the original owner of the sneakers Stella found.
 * TBD (voiced by TBD) - a tween alien who is the leader of his gang, skips school, and came up with the idea to make Stella do dangerous tasks.
 * The Che-Star Duo, consisting of:
 * Chester (voiced by Nancy Cartwright) - a little alien boy who likes to steal things (especially toys and sweets) from other alien kids.
 * Stan (voiced by Candi Milo) - Chester's chubby brother who helps him out and is less smarter than him.
 * Taylor (voiced by Melissa Fahn) - a little alien girl who everyone at her school considers one of the worst bullies in the school.
 * The Gigaworm (voiced by ) - a giant worm-like creature who caused the apocalypse in Stella's dream.
 * TBD (voiced by TBD) - a scientist who is Dr. Smellyfoot's rival.
 * TBD (voiced by TBD) - another scientist who is TBD's partner and Leggard's rival.
 * TBD (voiced by TBD) - another scientist who is TBD's partner and Leggard's rival.

Episodes
See List of The Cosmic Adventures of Stella episodes.

Tropes
See /Tropes.

Trivia

 * In Cocoa Land, Firgu has been shown eating chocolate and somehow lives while in real life, chocolate is poisonous to dogs.
 * It is believed that it has something to do with his alien species, that unlike dogs we see on Earth, the types of dogs Firgu is is immune to chocolate.
 * This series came out the same day Howler premiered.
 * This is the third Cartoon Network series to be created by a woman, with the first one being Steven Universe and the second one being Summer Camp Island.