Billy Goat and his best friend Cyril are messing about with the farmer's mobile phone, taking selfies and playing games . . . until they find the number for a troll. Their Grandpa Gruff says trolls are bad, so Billy and Cyril decide to get their own back by sending mean messages. After all, trolls r...

Billy Goat and his best friend Cyril are messing about with the farmer's mobile phone, taking selfies and playing games . . . until they find the number for a troll. Their Grandpa Gruff says trolls are bad, so Billy and Cyril decide to get their own back by sending mean messages. After all, trolls really do stink Don't they?