As the Earth heats up, the land under our feet is compromised. A warmer planet can lead to a deadly domino effect: the increased occurrence, frequency and intensity of sinkholes and landslides. More voluminous rainfall leads to massive mudslides and debris flows, wiping out entire communities. This episode tells the story of devastating events in California and British Columbia, Canada. To tell the story of each weather mutation, "Mutant Weather" highlights devastating recent events through firsthand survivor accounts and heart-stopping archives. Interviews with top climate experts and those on the front lines provide authoritative information and context with animated graphics offering visual explanations.