Professor Archibald Chagrijn exposes the world to his blubbering gas, which makes people sad and causes them to cry. Bassie proves immune to the blubbering gas -- as he has had an overdose of laughing gas. The professor is hiding on the Canary Islands, but Bassie and Adriaan manage to track him down.
Join Blue, her friends and their teacher Lola as they solve riddles about their favorite nursery rhymes. Get ready to sing, dance and laugh along the way!