Episode 1

This episode provides a lyrical if sobering look at rain and clouds, including interviews with survivors of flash floods that struck Lynmouth, England, in 1952 and Big Thompson Canyon, Colo., in 1976.

Episode 2

This episode explores the staggering power of tornadoes and lightning - and travels with “storm chasers” on the hunt for a tornado.

Episode 3

This episode starts with the ocean, then introduces its ferocious offspring, hurricanes. Of particular interest: Hurricane Andrew, which struck several Miami suburbs with full force in 1992.

Episode 4

This episode poses the question, What is snow?, as well as visiting the residents of Oimyakon, the world’s coldest inhabited village, a Siberian settlement where pens won’t write (the ink freezes solid) and milk is sold in frozen blocks.