Season 1

1. Episode 1

2024-09-01

3. Deadliest Mudslide

2019-08-29

A major landslide occurred 4 miles east of Oso, Washington on March 22, 2014. Mud and debris covering an area of approximately 1 square mile engulfed an unincorporated neighborhood known as "Steelhead Haven". Forty-three people were killed and 49 homes and other structures destroyed.