Sonic Mania (also called Sega's Sonic Mania and Sonic Mania: The Animated Series) is an American animated TV series based on the same name video game. It is a spin-off TV show to James Cameron's Sonic Cinematic Universe.
Set in the "classic Sonic mold" dimension, the show follows the adventures of Classic Sonic and his friends as they protect the world from Dr. Robotnik and other major existing threats.
Characters have the same details as in the classic games, but with their eyes colored after the ones of their modern counterparts.
- Drake Bell as Sonic the Hedgehog, a blue anthropomorphic hedgehog from Mobius who can run at supersonic speeds and curl into a concussive ball to attack enemies.
- Dove Cameron as Sophie Gold, Sonic's love interest and a 12-year-old anthropomorphic female blond-haired, gold-furred Jackal/Fox hybrid with the abilities to manipulate light and run at superhuman speeds.
- Pierce Gagnon as Miles "Tails" Prower, Sonic's best friend and sidekick and Sophie's younger maternal half-brother, he is an eight-year-old anthropomorphic yellow fox with two tails (hence the nickname) and a mechanical genius who is able to use his two tails to propel himself like a helicopter and fly.
- Kenan Thompson as Knuckles the Echidna, Sonic's other best friend and adventure partner, he is a red anthropomorphic echidna from Angel Island in Mobius with the ability to glide and climb up walls, and is a powerful fighter due to his spiked hands. He serves as the guardian of the Master Emerald, a huge gemstone which controls all seven Chaos Emeralds.
- Jay Baruchel as Mighty the Armadillo, one of Sonic's friends and a peaceful (yet brave) anthropomorphic armadillo with superhuman strength and unbreakable body armor, and a passion for traveling.
- Neil Patrick Harris as Ray the Flying Squirrel, one of Sonic's friends, Mighty's best friend and sidekick and a yellow flying squirrel. 
- J. K. Simmons as Doctor Robotnik, Sonic's arch-nemesis and a mad scientist aiming to conquer the world with his robots (also called to as "Badniks") and mechs. He also hates getting called "Egggman", and will often yell "I hate that Hedgehog!" whenever he is defeated.
- Christopher Daniel Barnes as Shadow the Hedgehog, an powerful black hedgehog who was originally created by Robotnik's grandfather Professor Gerald to be the "Ultimate Life Form". He is both a friend and rival to Sonic.
- Jessica DiCicco as Amy Rose, a rather enthusiastic, but kind-hearted female pink hedgehog who defends herself with her Piko-Piko Hammer whenever she is threatened by any hostile figure (including any of Robotnik's badniks). She is a friend of Sonic and his gang and idolizes Sophie's style.
- Kimberly Brooks as Sonia the Hedgehog, Sonic's younger sister and Knuckles' lover.
- Emily Tennant as Star, a female Chao who is Sophie's best friend and pet Chao with a star design in her belly. Unlike other Chao of her kind (who quote "Chao Chao!"), she speaks in a fully natural English.
- Maurice LaMarche as Uncle Charles "Chuck" the Hedgehog, Sonic's uncle who was partially roboticized by Robotnik.
- Misty Lee as Rosemary Gold, Tails and Sophie's mother and a female red fox.
- Jim Meskimen as Metal Sonic, a robotic clone of Sonic who believes himself superior to Sonic in every way.
- David Dastmalchian as Sleuth Dawg, TBD
- Tom Kenny as Scratch, one of Robotnik's two main henchmen and a Badnik chicken.
- Bill Fagerbakke as Grounder, one of Robotnik's two main henchmen and a Badnik with drill-made hands and nose.
- Corey Burton as EggRobo, Knuckles' arch-nemesis and a rogue Badnik who stepped out of Robotnik's shadow to start his own evil campaign.
- Mary Elizabeth McGlynn as Katella the Huntress, an sadistic, intergalactic huntress who becomes obsessed with Robotnik.
- Miranda Cosgrove as Nights, a former Nightmarian who was displaced in dimensions and befriended Sonic.
- Christopher Judge as Wizeman the Wicked, TBD
- Yuri Lowenthal as Reala, TBD
- Alfred Molina as The Time Eater, an extremely dangerous and hungry extra-dimensional entity who devours time.
|01||Gotta Go Fast||Following another victory against Doctor Robotnik, Sonic exacts to have a free time to enjoy his date with his girlfriend Sophie Gold. His plans, however, are threatened by the attacks of Metal Sonic, who had absorbed a prototype Phantom Ruby and now exacts to destroy both Sonic and Robotnik to prove himself a superior life form.|
|02||Head or Tails||TBD|
|03||White Knuckles Ride||Knuckles has to cooperate with Mighty and Ray when the Master Emerald goes missing somewhere in Cassino Night Zone. Though they get help from Sonic's sister Sonia in the situation, they also have to contend with Robotnik's dimwitted henchmen Scratch and Grounder and rogue Badnik EggRobo before either of them will get the Emerald.
|05||It's Sleuth Dawg!||TBD|
|06||Escape From the Chemical Plant Zone||TBD|
|26||The Time Eater||TBD|
- See also: Transcripts for Sonic Mania trailers
- Berserk Button: Robotnik hates it when Sonic refers to him as "Eggman", and will object very negatively to the response.
- Half-Dressed Cartoon Animal: As in Sonic SatAM, most of the main anthropomorphic characters, including Sophie (similarly to Sally Acorn), are missing clothing in some way. Only Amy Rose and Rosemary Gold avert this trope.