After working in the Everglades, ecologist Stephen Smith expects his new gig in Cape Cod to be a piece of cake until one winter day in the sand dunes, and Henrique Bravo plans to travel the world in search of 30 endangered species, but after he departs on his journey, he begins to wonder if he has bit off more than he can chew.

A U.S. customs agent asks Canadian climate scientist Simon Donner an unexpected question, and as a child, Victoria Gee becomes determined to rescue the wildlife in her neighborhood.

As a young ecologist in Brazil's Mata Atlântica rainforest, Lauren Eckert struggles to find the monkeys she’s looking for, and marine biologist Dyhia Belhabib makes an unexpected connection at the port of Bejaia.

Dorothy Tovar faces her fear of nature when she embarks on a month-long safari trip in Botswana's Okavango Delta, and caving with her research team in South Africa's Cradle of Humankind, Nompumelelo Hlophe finds herself in a tight spot.

Kasia Majewski searches for a reticulated python that has gone missing, and Edith Gonzalez connects with the less-than-glamorous side of archeology.

A tumultuous trip to her grandparents’ farm sets Johana Goyes Vallejos on a path looking for the biologist inside her, and under pressure to fit in at summer camp, Misha Gajewski signs up for a canoe trip that she’s not ready for.