The boys try to profit from their latest scam of selling the meat that they have stolen from the grocery store. Meanwhile, Lucy is pregnant and Julian accepts a new job that is beneath him.

Ricky realizes that he cannot be the father of Lucy's unborn baby, so he makes it his mission to discover who is the real father. Meanwhile, J-Roc organizes a gang of thieves who are stealing luggage at the airport.

The boys help Lahey when his fellow police officers turn against him. Ray makes plans to return to the road.

Bubbles and the boys get to meet heavy metal singer Sebastian Bach when they travel to Maine to attend a model train convention.

The boys use Bubble's love for model trains when they make a plan to smuggle marijuana across the border into Maine. They send a team consisting of Jacob and his "crew" to scout the location, however the scouting team goes missing.

On a mission to find Jacob and his crew, the boys leave the relative safety of the trailer park for a dangerous adventure in the woods on the Maine border.

Randy and Phil Collins go into business together, opening a restaurant called "The Dirty Burger". Meanwhile, Barb Lahey finally finds out who is her secret admirer.

After Bubbles discovers that he is wanted by the police, he dons a disguise. Meanwhile, Randy and Lahey get back together. and then plot to turn in Bubbles and collect the reward money.

The boys go ahead with their plan to smuggle marijuana across the border using a model train. What could possibly go wrong?

When the boys find themselves in trouble with the authorities it is up to Ricky to bargain for a deal. But, someone has to go to jail. Who will take the fall?

The time is one year after the boys successful "Train Scam" on the Maine border. Since then, Julian has insisted that they lay low and not spend any of the money, but the time finally comes that the gang will get their cut of the job. However, the boys and their money are soon parted and they are broke again, and now that they are penniless they have to deal with Lahey who has a brilliant new plan to evict them from Sunnyvale forever.