Believing he's in a "kid-life crisis," James decides to take a day off from school, but it's repeatedly interrupted by a pesky door-to-door salesperson.
James and Max bond with their sentient toaster, Toasty, now Declan who is now going through puberty. But after an argument, Declan goes on a rampage around Dirt, and James, Max, and Echo are the only ones who can save Dirt.
When the parents in Dirt ban their kids from doing anything risky, James starts a pillow fight club for his peers to release all of their excess energy.
Mr. McFly promises the class pizza if they take care of a flour "baby" for the day. But James struggles to cope when Max bails on him for a new partner.
While sneaking into the teachers lounge to snag sweet treats, James is mistaken for a substitute teacher and faces the wrath of a competitive Mr. McFly.
The day after James kills a fly, Mr. McFly reveals his grandmother is missing. Thinking he killed Grandma McFly, James scrambles to cover up his crime.