Malcolm and Gena's oldest son, who is also called Lloyd, comes home for a visit - Big Lloyd's habit of eating all the crumbs is bad enough, but when his visit threatens to become permanent, Little Lloyd is faced with the prospect of having to share his room!

Lloyd meets a young stink bug called Chuck and sees an opportunity for a harmless prank to get back at Berry with a tiny little stink - however, the plan backfires as Chuck gets a taste for bigger stinks and ends up stinking Lloyd's family out of their home.

Abacus' attendance at his dad's party is put in doubt when he moults early - Lloyd promises to look after Abacus in his vulnerable state, but Abacus's mum insists that they work together to protect Abacus on the perilous journey across Biggo's living room.