Shaun the Sheep (2007)

Season 2: Episode 26

When Bitzer injures his foot and can't work, the Farmer chooses the pigs to take over his role. The power crazy pigs take the opportunity to turn the farm into a porky paradise - at the sheep's expense. Bitzer tries in vain to warn his master what is going on behind his back, but it's Shaun who steps in and restores the status quo ante.