A STUPIDLY FUNNY adventure from Australia's favourite BFFs. Rich and Matt love their nan. Unfortunately their nan has an evil NANASIS. And by the time Rich and Matt discover that their Nan ALSO has a TELEPORTING PORTALOO in the backyard it's too late. They're already hurtling through the interdimensional plumbing of time and space on a mission to stop the world from going down the toilet, literally! THE NANASIS has gone crazy and WANTS HER STUFF BACK or the world is doomed. Can the Listies pay attention long enough to save it?