When it comes to entertainment news, it doesn't get much bigger than this – at least if you're a preschooler. Oink. Peppa Pig, loved by under-5s the world over, is about to become a big sister again.

Peppa and her friends have fun riding their imaginary bikes and jumping in pretend muddy puddles. Mummy and Daddy Pig take Peppa and George to a castle to feast on medieval banquets, play King and ...