"The Day of the Triffids" is a British television series that first aired in 1981. It is based on the 1951 novel by John Wyndham and tells the story of a post-apocalyptic world where most of humanity is blinded by a mysterious comet shower. The remaining sighted individuals must navigate a dangerous landscape filled with aggressive, carnivorous plants known as Triffids. The series follows the protagonist, Bill Masen, who wakes up in a hospital to find the world in chaos. As he struggles to survive, he encounters other survivors and faces the threat posed by the Triffids, which have become a significant danger to the remaining population.