The Brothers Grunt

Sammy and Dean engage the police in a high speed chase across the country after apparently rampaging through the city. The chase ends with both Sammy and Dean, and their pursuers, crashing into a drive-in movie screen. They drop out of the car and escape into the night.

Tony's veins are stolen by a mysterious stranger on his way back from the movie theater. The stranger attempts to ransom the veins back, but the veins escape on their own and find Tony.

Perry goes to Ireland and fights an Irishman over who gets to eat a potato. The fight grows increasingly ridiculous until finally the potato is eaten by a horse.

Dean spots Perry on an Evangelical television show but gets distracted by two guys driving a pick-up truck. They tie Dean up and drag him behind their truck until they are distracted by a cow, leaving Dean behind.

All the brothers go looking for Perry in the city. They cram into a phone booth and call information to look Perry up. The operator patches them through, but Perry is sitting by the pool in his mansion and the call goes to the answering machine.

Sammy's search for Perry leads him to a nursing home where he's mistaken for a resident. He's forced to go through the normal routines until he incites a riot by unintelligibly calling bingo numbers. He eventually ends up in the building's dungeon for causing trouble. He escapes when a fly lands on the torture wrack and stretches his limbs beyond recognition.

Frank and Tony take a cab ride through the city. The cab driver tries to take them where they want to go but can't understand them. He decides they are playing a joke on him and takes them for a long drive and runs up the fare. Perry tries to hail the cab but gets ignored.

Bing ventures through a nightmarish landscape where the flora attacks him, the ground crumbles beneath his feet, and demons eat soup garnished with the souls of the damned. The episode ends with no resolution and Bing left in hell.

Tony is surrounded by people talking about corn in the city. He snaps and begins spreading a strange message of corn which somehow brings peace to all who hear it. Anyone who supports potatoes is rounded up and Tony becomes the supreme leader of a corn-based dictatorship. It all comes undone when he utters potato in front of a crowd of supporters.

Sammy somehow hatches from a chicken egg and his new chicken mom shows him the ropes around the farm. He plays with a milking machine and gets sucked into it, he's subsequently processed as cheese and left to age on a shelf. He ends up being such a ripe cheese that he's entered into the county fair. Perry turns out to be the judge, but Sammy is unable to communicate as a block of cheese and ends up being munched on by his lost brother.

Sammy and Frank find a pair of Dean Martin tickets belonging to some mobsters. The mobsters challenge them to a game of five card stud in the trunk of a car with the tickets on the line. Sammy lays out a winning hand (three Sammy cards) and they both escape by sliding down a pile of money that floods the car and into a sewer.

This picks up where season three's cliff-hanger finale leaves off. The detective recounts the events after he discovered the monastery, but he's come unhinged. Through the flashback you learn that he snooped around building but all his attempts to get in were unwittingly thwarted by the Gruntus Poobah and his servant, Ringo.

The Gruntus Poobah presides over the Grunt Games. The games are watched and played by unnamed Grunts.The games culminate with a relay race to make the Gruntus Poobah a martini.

A man with an eye patch is looking for a lamp. Sammy almost nabs Perry in a bathroom by emerging from a faucet with his lamp, but narrowly misses. The man spots Sammy's lamp and challenges him to a staring duel for it. Through flashbacks its revealed that both Sammy and the man with the eye patch went through childhood training for staring contests. Sammy ultimately wins by making his left eye grow as large as his entire upper body. The man with the eye patch awakens in a doctors office where two doctors determine he needs a lucrative heart transplant.

Perry briefly appears diving into a mirage in the desert. Dean comes across a stranded Frenchman and offers him a drink from his canteen. The Frenchman becomes addicted to the drink which turns out to be Dean's sweat. He ends up turning it into an industry, bottling Dean's sweat en masse and selling it.

Perry is haunted by visions of the Gruntus Poobah as he goes through his day. He does everything he can to escape but everywhere he turns the Poobah's face is waiting. Behind it all seems to be the Gruntus Poobah using a radio transmitter of some sort.

Perry masks are the in costume this Halloween and Dean runs through town chasing after the Perry-faced children. There are so many of them that Dean snaps and collapses in the street. He ends up with a Perry mask and thinks he's killed his lost brother. This is a "lost episode"

Gruntus Poobah flashes back to Perry's childhood. A baby boy was left on the monastery's doorstep. Gruntus Poobah took the baby in and he was raised alongside Perry and the rest. The baby grows into a bully and is cast into the monastery's steam room. He incites a rebellion and almost overthrows the Poobah, but Ringo beats the truth out of him and drops him down a pipe.

Perry spends a day trying different professions and in each one he's almost found and captured by one of his brothers. Each time he unwittingly escapes.

Tony comes across Perry working as a park ranger. His attempts to capture Perry are foiled by an untied shoelace. When he finally ties his shoe he's taken captive by a she-bear. They have three horribly ugly children.

Dean returns to the monastery to get a refill on cheese. Gruntus Poobah recounts the story of Brother Wayne, the Grunt who invented special shorts for carrying cheese when leaving the monastery. Dean is loaded up with cheese and sent on his way.

Gruntus Poobah recalls his days as a beatnik.