|“||I'm really going to miss you guys.||”|
—Dewey to the class
The kids post-Battle of the Bands plans are jeopardised when their regular teacher returns, so they have to find a way to get Dewey back to keep their rock and roll dreams alive.
- Breanna Yde as Tomika
- Ricardo Hurtado as Freddy Huerta
- Jade Pettyjohn as Summer Hathaway
- Lance Lim as Zack Kwan
- Aidan Miner as Lawrence Dooley
- Tony Cavalero as Dewey Finn
- Jama Williamson as Principal Mullins
- Declan Whaley as Conner Hall
- Shane Smith as Kid
- Summer Sveinson as Kindergarten Teacher
- Jane Macfie as Lunch Lady Dorris
- BJ Tanner as Oscar
- This is the first episode in Season 2.
- This episode marks the first appearance of Principal Mullins as a main character.
- The actor that plays the Kindergarten Teacher has the same name as Jade Pettyjohn's character, Summer.
- The title of the episode could be a reference to the song "Changes" by David Bowie.