Sonic Boom - Season 4

== Main Characters ==
* Sonic the Hedgehog 
* Violetta the Hedgehog 
* Miles “Tails” Prower
* Amy Rose
* Crimson the Hedgehog 
* Shadow the Hedgehog 
*Silver the Hedgehog
* Knuckles the Echidna
* Sticks the Badger
*Zac the Hedgehog
* Ravana the Wolf, Conqueror of Evil
* Dr Eggman
*Scarlet the Hedgehog 
== Synopsis ==
Team Sonic face a villain more powerful than any other they’ve faced, but the Crystals of Life’s powers are running out.
== Episodes ==
* United but Apart - 3 years after the fall of Iris, an unknown ally discovers a new threat, and calls upon the world’s heroes to stop it. But there’s a problem, for all of them hit a discordant note upon their arrival. 
* New Girls, New Problems - After mysterious new girl Reina arrives, she stirs Violetta into suspicion when she steals Sonic’s attention. 
* Trouble in Paradise - Shadow and Crimson still love each other, but they both have changed and aren’t sure of where they stand.
* She Doesn’t Trust Her - An old friend arrives in Hedgehog Village, claiming something impossible. In the meantime, Eggman wonders how to upgrade his machinery, getting help from an accomplice.
* Lost But Not Found - The Crystals of Life go missing, so Team Sonic try to find the perpetrator with the aid of Reina. 
* Team Rituals - Sticks struggles to find the connection with her team that she once had, so she leads them through some rituals to get the old team back, but it’s harder than it sounds.
* The Villain Uncovered - Sonic and Violetta grudgingly team up to find who stole the Crystals of Life, unmasking their next big villain’s identity (sort of) and jump-starting their biggest adventure yet.
*The Spirit of Valentine's Day - Violetta's mentee, Spirit, teams up with the other members of the unofficial Team Spirit to get the old couples of Team Sonic back together, but it proves to be a challenge, while an unexpected old friend shows up. 
*Grow Up - Knuckles doesn't feel he's grown up like everyone else, so he enlists the help of Sonic to help him be like their team's leader.
*Change Of Hearts - Amy's newfound crush on teen heartthrob Zac grows considerably, but she doesn't know how to confess. Meanwhile, Sonic and Violetta spend a day trying to train their mentees to become the next Team Sonic.
*Bonding? - Queen Scarlet finds that getting her older daughter to like her after abandoning her hard work. Luckily, Crimson comes to the rescue.
*Is What We Have Real? - Violetta questions her connection with Sonic after he becomes attracted to Reina. The same happens with Spirit and her blooming crush on Sonic's mentee Swyft.