Parker has very bad body odor, but Josh won't tell him for fear of his reaction. Meanwhile, Mr. Meaty is getting ready to introduce their new Buffalo Burrito, and Wink hires two actors to be Bucky Buffalo for the big intro, but they are zapped by the Mr. Meaty Security Bot, who is lurking around the mall. Parker volunteers Josh and himself to be the buffalo, and Josh is forced to get inside the buffalo costume with a very smelly Parker.

Josh is upset that the mall girls don't like him because he's skinny. Three eight year old Hip-Hop gangster brats called The Tater Tots harass him, call him "Skinny Butt", and give him a wedgie so he and Parker go to the store to get protein powder, despite Parker telling Josh to listen to Master Kindu, and encounter a jar on the bargain rack that contains the demon Wedgelor. The demon gives Josh a big beefy body, but doesn't enlarge his head to match, And Wedgelor goes on a wedgie rampage in the mall.

Parker is hungry and he tries to get Josh to give him one bite of his sandwich. Josh gives in and Parker eats almost the whole thing. Josh calls him a moocher. Parker then goes around the mall and takes one bite of everyone's food. Then he comes back and eats a raw burger and a tapeworm soon grows in Parker's stomach and eats the food Parker mooches before Parker can.

After Josh abandons Parker for a girl at the premiere of Star Raiders IV, Parker looks for a new best friend. He ends up making one out of ham and other meat from Mr. Meaty and names him Hamish. He and his new friend go to the movie theater to harass Josh and his date.

When Lizzy, a new employee, arrives at Mr. Meaty, Parker quickly falls for her. She’s a messy eater, she likes Star Raiders, and her burps smell like his favorite burger combo. Only problem is, Josh thinks she’s pretty hot too. The two boys get into a game of one-upmanship, trying to impress Lizzy – a game that Parker wins. But when Josh discovers that Lizzy’s really a lizard-faced alien, He tries to tell Parker, but Parker doesn't believe him.

When Parker suddenly runs off to the bathroom, and Josh has to cook fries and causes an overflow of oil, He blames Parker for it. After his guilt takes him over, Josh confesses to Mr. Carney.

Meatycorp has come up with a new robot, named Chip 2.6, who is assigned to work at the Mr. Meaty at Scaunchboro Mall. Josh takes a liking to Chip, but Parker believes it is out to take their jobs.

Parker makes Josh a meat girlfriend. Everyone at the mall makes fun of her and Josh defendes her . Then Barb leaves Josh for a prime rib.

A strange new device is brought to Mr. Meaty, called the SALIVATOR-X8, guaranteed to increase meat sales by 200%. When activated, it turns the patrons of the mall into meat-feasting zombies. Doug saves Josh and Parker from the zombies and destroys the machine.

After Ken and Darryl steal the first Game Craze, that rightfully belonged to them, Josh and Parker build a time machine to go 2 months into the future. They find Scaunchboro Mall to be invaded by baboons. It turns out that the machine sent them into the year 2676, where baboons rule the earth.

In this flashback episode, Wink tells the story of how he first hired Josh and Parker and how they thawed out Mr. Carney and how Wink received an implant on his neck.

Parker gains superpowers as a bonus from Mr. Carney, but when he sees that Josh is annoyed, he finds a way to make Josh feel more important

Years of being insulted finally takes a toll on Parker, who turns into a rampaging beast and insults everyone.

Parker gets a girlfriend, but is very nervous about kissing her. He turns to Josh for guidance.

Britney asks Josh to throw a Mr. Meaty birthday party for her little brother. When Josh and Parker feed the boy a piece of very sugary cake, he goes hyper and runs crazy through the mall.

Mr. Carney books teen pop star, Jesse Lumberpond to hold a concert at the mall, and Josh and Parker scheme to be in his band, until he is knocked unconscious by Parker.

Josh throws a party while his family is out of the house, but worried about being cool, he will not allow Parker to come. Parker shows up anyway.

Parker is sick of his mom babying him, so he moves out of the house.

Josh fails his driving test, and instead of admitting it to Brittany, he takes her illegally to the drive-in, secretly using Parker to give him driving guidance.

One day at Mr. Meaty, Parker tells Josh that a man named Lucas E. Romero is having a horror movie competition. Josh and Parker enter.