999: Killer On The Line (2016)

S2E19 Two's Company

Shaun is enchanted when a scruffy new sheep joins their group. After a good scrub in the sheep dip, she reveals herself to be quite stunning, leaving Shaun completely infatuated. As Bitzer sets off to locate her original owner, the rest of the flock stays entertained by Shaun's charming pursuit of love.