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.

When the sheep's stable's roof is broken, rain leaks in. The sheep try to gain dry land, but the only space they can find is the pig's sty, whom the pigs fart during the big sleep.

The farmer throws a fancy-dress house party for his birthday. When Bitzer loses all the invitations, however, Shaun saves the day again. Disguised in their own ingenious costumes, the sheep stand in as the guests and have a good old knees-up. But can they fool the farmer into believing he is surrounded by his friends?

Two evil bungling alien scientists transport Pidsley the cat and Shaun aboard their flying saucer. Unfortunately, a foolish error causes the aliens to swap the animals' brains around. Shaun and Pidsley are dumped back to Earth, not realizing they are in the wrong bodies - leading to much confusion around the farm before the aliens return to correct their mistake.At the end, everyone's brains were also swapped.

Shaun is smitten when a bedraggled new sheep lands among the flock. After a wash in the sheep dip, the newcomer turns out to be quite attractive and Shaun immediately falls head over hoof for her. While Bitzer goes on a journey to find her rightful owner, the flock are kept amused by Shaun's romantic antics.

A wayward balloonist lands in the sheeps field. Shaun and his friends are intrigued by the hot air balloon and inadvertently take to the skies. Down on the ground an ever more desperate Bitzer runs himself ragged attempting to bring the wayward sheep back down to Earth safely.

The flock hijack a road line-painting machine and cause chaos while creating giant works of art in the field. However, will farmer appreciate their art?