Despite warnings, the sheep have gobbled up the birthday cake Bitzer has baked for the Farmer. Realising the kitchen cupboards are bare, Shaun and the flock must try and source ingredients for a new one from around the farm before Bitzer realises. The result is certainly a surprise!

Shaun tricks Bitzer into thinking he is unwell so that he can stay in the barn playing video games all day. However, before long, the other sheep are also pulling sickies, and Bitzer is starting to get suspicious. The threat of nasty medicine has everyone out of bed in a flash!