Tails invents a robotic universal translator. However, it also translates what someone is actually thinking while talking, so it unintentionally reveals the gang's hidden thoughts and embarrasses them - and gives Dr. Robotnik an idea.
Sticks is acting careless towards animals, so the gang convinces her to train her sensitivity by getting a pet. The one she chooses - a cute filthy hyperactive goo-regurgitating small robotic dog - is not what they had in mind.
Dr. Eggman hires an intern who turns out to be a bit unstable. He commandeers Eggman's doomsday device and is going to set it off. Not to be outdone, Eggman begins building a competing doomsday device. Sonic and Tails step in to avoid disaster.
Knuckles feels that the only reason Sonic always bests him is that Sonic has better luck. So, Knuckles tries to run out his bad luck and reset the luck balance of the universe by constantly putting himself in harm's way.
After an explosion at his evil lair sends him into a time loop, Eggman relives the same day over and over. He must convince Sonic and the gang to help him fix this time anomaly.
After a bad experience at Meh Burger, Amy decides to open her own restaurant, starting a rivalry with her former hang out and Dave the Intern. But when Amy starts to lose the fast food war, she gains an unlikely partner in Eggman.
After seeing a cross-eyed moose, Sticks is convinced that she and her friends are cursed. They set out to find a mystical marmoset who is the only one who can remove the curse.
When a cooking contest begins, Sonic and friends decide to find out which Chilidog is the tastiest, and strongest. Meanwhile, Knuckles comes across a horde of talking chili peppers, and decides to use them to help out in the contest.
When Amy realizes that Sticks is a pack rat, she forces her friend to have a garage sale to get rid of all the junk that's accumulated in her burrow. During the sale, a secret locked door to an underground world is removed and an invading horde is set free.
Knuckles decides to replace the Mayor of the Village while he goes fishing, but he begins to accept too many laws, causing the village to end up having fights.
After Sonic calls Mike "a normal guy", the village begins to become upset at him. Amy tells Sonic to join her club so he can control his thoughts properly.
In an alternate dimension where Knuckles is the smart leader of the team, a freak accident causes him to end up in the normal dimension, and everyone begins to like him better that the original. But when they find out that two Knuckles in the same dimension will cause the dimensions to explode, Sonic and Tails decides to try to send the alternate Knuckles back home.
While the rest of the village is celebrating New Year's Eve, Eggman decides to slow down time in order to complete his previous year's resolution of defeating Sonic just once before year's end.
After being convinced that he is a real inventor, Knuckles challenges Tails in a robot competition hosted by the mayor, not knowing anything about mechanics.
The gang accepts a dare from Eggman to fight him not as a group but one at a time. Eggman gains the advantage when he's able to use each of their weaknesses against them.
The village is sick of Sonic and his friends' bad judgement. So the mayor hires a platypus role model instructor to teach them how to be good role models.
When their time at the beach is ruined by a storm, Sonic, Tails, Amy, Knuckles, and Sticks all have a slumber party at Amy's house. But suddenly, things go a little bit out of shape.
