An adaptation of Raymond Briggs' children's classic that mixes live action and CGI animation to follow the adventures of a family of green monsters who live in the slimy underground world of Bogeydom. Fungus and his wife Mildew suspect their son Mould is illicitly dabbling in human culture, sparking a family argument that sees the boy flee to the surface. Above ground in Daventry, Daryl Hedge's go-getting wife Wendy won't let him forget it that he is unemployed, while his daughter Lucy has fallen for a disagreeable older boy called Dean.
Episode 1
Fungus, and his wife Mildew, must disguise themselves as humans and journey 'Up Top' in order to try and persuade their rebellious son, Mould, to return home.
Episode 2
Eve helps the new family move into their home, but Fungus has other things to worry about - he has been spotted on a security camera.
Episode 3
Daryl makes a discovery when he sneaks into the house where Fungus and his family are living meaning the whole family must risk it all if they are to stay together.
