Can a group of ten year old mates (and one scruffy dog) really outwit the most fiendish, cunning teachers in the universe and, after millions of years, finally make school cool? When mysterious new teachers arrive to lay down the law at notoriously naughty Bash Street School, Dennis, Gnasher and friends finally face a classroom test they simply can't afford to fail ... Dennis and Gnasher are back for another adventure. An adventure...