100 Foot Wave, Chapter I - Sea Monsters

After discovering Nazaré, Portugal's monstrous swells, pro surfer Garrett McNamara sets out to achieve his dream of riding a 100-foot wave.

Despite unexpected setbacks during their second season in Nazaré, Garrett catches a wave that changes everything.

Brazilian surfers new to Nazaré fail to heed safety advice, while Garrett's own appearance at a big wave competition takes a dark turn.

In 2017, Nazaré's largest swell to date paves the way for a broken record -- and a broken back.

As the world's top surfers arrive in Nazaré for the WSL's Tow Surfing Challenge, Garrett grows concerned over proposed safety measures.?

After the WSL competition abruptly ends, the athletes reflect on their beloved, unpredictable sport. Later, Garrett attempts to surf again.