|The Cosmic Adventures of Stella|
|Television show information|
11 min. (normal episodes; approx.)
June 3, 2019-present
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.
- 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.
- 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.
- Leo and Ariel (voiced by Corey Burton and Carolyn Lawrence, 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.
- Brian (voiced by Asher Bishop) - an alien boy who loves playing games and doing dares.
- The Bean Guy (voiced by Rosearik Riki Simons) - 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 John Gegenhuber) - an old alien who acts crazy and is a recurring character.
- Snab Chieftain (vocal effects by TBD) - a snab who is the chieftain of the snabs.
- Golly Gobb (voiced by Jim Meskimen) - a goblin alien who befriended Stella and Firgu.
- The Nova Brothers, consisting of:
- Neil Nova (voiced by Tex Hammond) - an alien boy who is the leader.
- Alan Nova (voiced by Ramone Hamilton) - an alien boy who is athletic.
- Michael Nova (voiced by TBD) - an alien boy who is chubby and loves food.
- Pete Nova (voiced by TBD) - an alien boy who is an idiot, making him the dumbest of the group.
- Buzz Nova (voiced by Sam Lavagnino) - an alien who is a nerd, making him the smartest of the group.
- 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 is the ruler of the Cocoa Land.
- 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.
- Scoot (voiced by Carlos Alazraqui) - a tween alien who is the leader of his gang, skips school, and came up with the idea to make Stella do dangerous tasks.
- Scarlet (voiced by Dayci Brookshire) - a tween alien who is one of Scoot's friends.
- Screech (voiced by TBD) - a short tween alien who is another one of Scoot's friends.
- The Che-Star Duo, consisting of:
- 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 Amy Keating Rogers) - a giant worm-like creature who caused the apocalypse in Stella's dream.
- Dr. Luna (voiced by Mindy Sterling) - a scientist who is Dr. Smellyfoot's rival.
- Sirius (voiced by Dave Wittenberg) - another scientist who is Dr. Luna's partner and is Leggard's rival.
- Vincent (voiced by TBD) - an alien vandal who vandalized Stella's school.
- Jake (voiced by TBD) - a prankster alien who tried to ruin The Time of the Blessed by delivering gifts with creepy and dangerous items inside.
- The Cat Man (voiced by [male]) - a cat-like humanoid creature who abducts people.
- Tara (also voiced by Tara Strong) - a clone of Stella created by Dr. Smellyfoot that ends up turning evil due to a malfunction.
- Legiman (voiced by Tom Kenny) - an elf-like alien who is the leader of the group and saw Halley as their queen and kidnapped her.
- Project P.A.W. (voiced by TBD) - a project that was made to heal people, but ends up injuring them instead.
- Future Stella (also voiced by Tara Strong) - a dystopian future version of Stella who is far more sinister.
- 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.
- Cartoon Network Studios: The custom animation is Stella laughing while riding Firgu.