Two of the deadliest tsunamis ever recorded are the 2004 Indian Ocean Tsunami and the 2011 Tohoku Tsunami in Japan. Survivors recount traumatic experiences as scientists shed light on the causes and warning signs of tsunamis.

Hurricane season, from June to November, grips millions with anticipation and fear. The nation's top experts explore their formation, increasing frequency, heightened power, and the science behind surviving these killer storms. Hurricanes covered: Ian (Fort Myers, Florida, 2022); Sandy (New York City, New York, 2012); Patricia (Mexico, 2015); Harvey (Southeast Texas, 2017); Andrew (South Florida, 1992); and Katrina (Florida, Mississippi, and New Orleans, Lousiana, 2005).