Max and Calvin celebrate the holiday season with a very special guest—Santa Claus himself! In this festive episode, they talk about what Christmas is really about, how people celebrate around the world, and how Santa gets ready for the big day each year. Plus, learn some cool Christmas facts, like when Christmas became a national holiday, a famous moment of kindness during wartime, and how astronauts have even celebrated Christmas in space. This cozy, fun episode is all about kindness, giving, and spreading Christmas cheer.

Max and Calvin dive into the explosive world of volcanologists—the scientists who study lava, eruptions, and the powerful forces shaping our planet. Discover how a single volcano can unleash the energy of billions of sticks of dynamite, why Yellowstone is one of the most closely watched supervolcanoes on Earth, and how volcanic lightning storms form inside giant ash clouds. From collecting fresh lava rocks to tracking tiny earthquakes that warn of eruptions, this episode reveals the thrilling (and fiery!) science behind volcanoes and the people who study them.

Max and Calvin dive into the mystery-solving world of forensic scientists—the real-life science detectives who use fingerprints, DNA, bugs, shoe prints, and chemistry to crack cases. Discover how a single hair can reveal hidden clues, how lasers expose invisible fingerprints, and why every shoe leaves its own unique “signature.” With mind-blowing facts and behind-the-scenes secrets from the crime lab, this episode shows how science helps uncover the truth one tiny clue at a time.