The troop has its long awaited return and it is full of surprises!!! Jake decides to ask out Hayley but has a tough time especially since she is dealing with the new girl, who is a bad chick. Meanwhile, Felix tours a special school.
Everyone thinks Felix is a crime stopper. Meanwhile, Candace and Hayley start to become friends.
Kirby comes to takes Felix's place and must take down a monster who is taking over the mind of video-gamers.
Candace is attacked by a monster that sucks people into mirrors. So Hayley and Kirby must stop it before it attacks anyone else. Meanwhile, Jake tries to get his comic approved by Stanley Lee.
Kirby's replacement is not what the Troop had in mind. Meanwhile, Candace and Hayley have a fight over telling Candace her secret and Candace's brother comes to visit.
In the previous episode Jake broke open the portal to bring Candace to the Monster World. But, this releases Monsters into the real world. Now, Jake must go into the real world to retrieve the troop grid.
Kirby enters the science fair and so does his rival from hos old troop who uses a monster for her project which is a robot that attacks the school. Meanwhile, Jake and Hayley battle for concert tickets.
A monster switches places with Hayley and realizes it easier to be a monster then a teenage girl. Kirby gets trained hard to become a good member of the Troop.
Cadence and her friends accidentally release a deactivated Doom Hound.
A Flaying Pincer Mole has been attacking the school repeatedly and the only way to find its lair is to team up with the Sniffer... an incredibly annoying monster.
Cecilia, an Eris Fairy sister (Daniella Monet) arrives and mistakens Etienne for Felix and they become a couple. Cecilia's ex-boyfriend, Tod comes from the monster world to get her back and get rid of Etienne. Meanwhile, Jake wants to ask Hayley go to the dance with him.
A Flying Swamp Monster that feeds on electrical energy has come to Lakewood and is not only terrorizing the city but is also threatening Prom from happening.
Jake, Hayley and Mr. Stockley get a distress call from another Troop team during driver's ed training. Jake and Hayley kiss. Meanwhile Kirby runs for Green Czar and Cadence helps him win against Mazie (Ashley Argota).
Cadence sees an opportunity to prove her worth when The Troop is attacked by an ice monster.