In this episode, Pee Wee (Jimmy Baird) leaves the Broken Wheel Ranch to move upstate to live with his dad. The guys meet little Packy Lambert. He wants to buy a horse and he has a whole two dollars to pay for it. But Packy's dad says they can't afford a horse. So Packy brings him back to the corral at the Broken Wheel Ranch. The horse, Lucky, follows Packy who's running away from home. The guy's go out to search for Packy.
Aunt Harriet comes to visit the Broken Wheel Ranch. All she finds is dirt, grime, and disorder. WIll Jim, Pete, and the boys survive Aunt Harriet's visit? Princess, Fury's mare, has a colt and they name him Thunder.
Joey and Packy are having a Halloween party in the barn. Their friends Roger and Phil are getting in trouble pulling pranks and Jim invites them to the party. Roger and Phil have to learn their lesson the hard way.
Smoke Nelson (John Pickard) helps Joey and Fury after they take a tumble. The next day he gets arrested for armed robbery. So Joey and Packy go to town to visit him at the jail. Fury helps Smoke break out of jail, but was it for Smoke to go prove his innocence or to make his escape?
The weather has been very dry and conditions are ripe for wildfires. Ranger Bill Marsh enlists Jim, Pete, and Joey to help keep a watch out. Joey gets to be a lookout up in a fire tower. Packy wants to help out too. Carelessness on the part of a road work crew causes a disaster.
A raven shows up at the Broken Wheel Ranch. Joey names him Mr. Friendly. Pete lets his superstitions run wild. He believes Mr. Friendly is a jinx and blames every mishap on him. But it turns out Mr. Friendly was good luck after all.
Joey is building a model plane to enter a contest for a college scholarship. Packy wants to help, but Joey warns him not to touch it. After Packy breaks the plane he blames it on Fury. He's too ashamed to face up to it so he runs away.
Penny's Aunt Hattie has passed away. Aunt Hattie's beloved old cat named Tiger has no where to go so Penny (Diane Mountford) and Packy try to save him. Penny decides to go and hide but no one can find her.
Packy's Mom and Dad are down on their luck. The bank wants to foreclose on their farm mortgage. Jim tries to help out but Packy's Dad doesn't want to get into any more debt so his plan is to sell Packy's horse Lucky. :O
Arthur (Peter Votrian) and his mother move into a nearby ranch for the summer. Arthur is sickly and the doctor thinks that horse riding and relaxation would do him good. Joey and Jim think Arthur's mother is a little too overprotective.
Air Force jets are flying over the area causing sonic booms. Miles Jackson, a local resident, is putting together a petition to shut down the Air Base. Jim assists Col. Benson in convincing the neighbors that air defense is necessary and can be helpful to everyone.
A mining engineer and his son come to do some research near the Broken Wheel Ranch. Jim invites them to park their travel trailer at the ranch. An outlaw breaks into the barn at night and steals a horse. The Sheriff enlists Jim and Pete to join the posse. But while they're gone, Joey and Ronnie (Lars Henderson) go looking for the outlaw.
Some crooks are in the area. They bought twelve horses from the Broken Wheel Ranch and used counterfeit money. Pete tells Packy the legend about the old relay station being haunted. Packy sneaks out at night to go and investigate.
Pee Wee (Jimmy Baird) comes back to visit the ranch. He's been learning all about petroleum engineering from his father. Joey and Pee Wee find old Mr. Farnum at his wildcat oil well and he's been hurt. Old Mr. Farnum has been experiencing unexplained accidents at the oil well. Joey and Pee Wee investigate.