At a party, Sims finds the charming Cockrel Wilby who lures her to the treacherous foxes. Ransome rescues Sims and the Foxbusters repel the fox invasion.

Todd accidentally flies on a glider, which impresses the foxes and catches the Foxbusters by surprise. On his third flight, Jeffries rescues him from the jealous King Voracious.

Icky feels jealous of his sisters and gets himself into a challenge with the foxes. With discrete help from his sisters, Icky is convinced he beat the fox pack.

The Farmer gets a new hen called Blue, who is very snooty and conceited. A capture from the foxes followed by a Foxbuster rescue teaches Blue a lesson.

The sheep become in awe of Ransome for saving a lamb. Voracious uses this ruse to turn the sheep against the Foxbusters, but Dog takes care of that and gets back his job.

Fabio's nose ring is swiped by a magpie. As the Foxbusters pursue the magpie, the ring is tossed all around the forest going from one person to another until Fabio reclaims it.

Rotter gives the foxes failed passages to the barnyard via a Trojan Chicken, whilst tipping the Foxbusters in return for some eggs. When both sides see they've been duped, they deliver payback to Rotter.

The foxes have been kidnapping rabbits and forcing them to dig a tunnel to the farmyard. Sims seems to be acting a bit odd as the Foxbusters go down the tunnel. The girls gets trapped in one of the tunnels and it's revealed that Sims has Claustrophobia. Moleier soon comes to rescues them along with a young rabbit called Billy and they all thwart the foxes' scheme.

A long democratic campaign battle ends up with Dog winning the leadership of the Foxbusters, which backfires when the foxes come for their gain. The Foxbusters regain their positions and fight off the fox invasion.

During a night mission, Sims breaks her wing. To reinforce the team spirit of the Foxbusters, Ransome and Jeffries agree to walk back to the farm with her - not knowing what dangers await them.

The little fox cub Genghis strays from the pack and ends up at the farmyard and regards Sims as his mother. After the foxes pay a ridiculous Ransome, Sims reluctantly hands back Genghis.

When David Deer comes to live on the farm to avoid being bullied by the foxes, the chickens end up shuffling the animals around the farm to avoid any conflicts.