S1 E40 | The Bermuda Triangle Problem; The Breeze in the Branches Problem

E40 | The Bermuda Triangle Problem; The Breeze in the Branches Problem

E37 | The Wonderland Problem; The Bat Mitzvah Problem

E32 | The Groovy Sixties Problem; Bad Jack is Back

E14 | The Blockette Problem; The Tulip Problem

E10 | The Race Car Problem; The Big Gig Problem

E8 | The Dinosaur Problem; The Beethoven Problem

E5 | The Tree Problem; Another Tree Problem

E3 | The Three Bears Problem; The Giant Problem