Junior, Cyndi, Murph, Betsy, Ross, and Spencer get scammed by a Hollywood producer hired by Big Ben Healy to dupe the parents into thinking their child will be the next big movie star.
Junior helps Cyndi become a problem child, but the transformation turns her into a bully. Meanwhile, Principal Peabody uses hypnotism to brainwash people and has his sights set on Junior.
Junior and Little Bob Healy go on a father/son camping trip, but it soon becomes a grandfather/father/son trip after Big Bob Healy runs away to escape people who want a refund from him for selling them toxic land.
Toe Valley competes in the Weird Olympics, but Big Bob Healy and Principal Peabody are forced by a Mafia don to fix the games so Toe Valley loses.
Junior runs away and joins the circus when he is tired of Little Ben's rules.
Junior meets a kid even more destructive than him: his younger cousin.
Junior tries to get in good with a group of sixth grade boys.
While on a trip to Fort Healy, Junior and Cyndi discover an old storeroom that holds evidence that one of Junior's ancestors cheated the Native Americans out of their land.
Junior finds himself in prison after police mistake him for an escaped convict.
Ms. Hill, Junior's second grade teacher, gets fired by Mr. Peabody and gets a job at a construction site.
Big Bob Healy and a music producer trick Junior and the kids into starting their own band.
On the day of a big ice-skating competition, Cyndi misses out when someone locks her in a closet and Junior plays detective to find the culprit.
The kids put on a telethon to save the school when Peabody to embezzle the school's funds.