As a child who loves biology and has Caribbean immigrant parents, Calvin Cato feels pressure to become a doctor, and Shane Hanlon can’t help but compare his life choices to those of his hometown best friend.

While working as a camp counsellor at a camp for children with chronic and life-threatening illnesses, Gabe Mollica is determined to keep his promise to one of the campers, and Collette Micks finds herself going along with her mom’s absurd plan to act like her father isn’t dying of cancer.

Dog trainer Chris Brown needs to up his skills when he adopts a former bait dog named Terror, and David Crabb has to make some tough decisions when his dog, Charlie, starts having seizures.

During her first research project in the Sierra Nevada mountains, Katie Moriarty thinks she might have spotted the impossible: a wolverine, and Science Journalist Katherine J. Wu interviews wildlife ecologist Katie Moriarty to find out more about these mystical wolverines.

Ecologist Cylita Guy finds unexpected adventure when she studies bats in the field, and Maija Niemisto is a director of education on the Clearwater, America’s environmental flagship. But when a stranger comes to the side of the ship, it heralds a discovery about her city and herself.

Lauren Silverman finds herself drawing parallels between her relationship and steelhead trout, and during the pandemic, Grant Bowen is torn between his ailing grandmother and his immunocompromised girlfriend.

Jack Walsh exaggerates the severity of his brain tumor to get out of buying a timeshare, and Laura Fukumoto goes above and beyond trying to make a special mushroom dish from her grandmother’s childhood.

Ted Olds finds himself an unwilling participant in his son’s school assignment to look after an electronic baby doll and, Cadré Francis is less than thrilled when finds out he’s been volunteered to do demonstrations at a STEM camp.

All throughout his life, Chris Wade has a love-hate relationship with science, with very little love and, after Caroline Hu’s parents make her choose between art and science at age 17, she struggles with her choice.