The Day of the Triffids was a book published in the 1950s. (PROSE: Wolfsbane) It was also made into a film. (PROSE: Synthespians™)
Fitz Kreiner was familiar with The Day of the Triffids. (PROSE: EarthWorld)
When the Fourth Doctor described how Hester Stanton could use her control over plants to make them attack people, Harry Sullivan said that it would be like Day of the Triffids. (PROSE: Wolfsbane)
Marcus Brooks had seen the film Day of the Triffids. (PROSE: Synthespians™)
Behind the scenes
- Carole Ann Ford appeared in the film version of The Day of the Triffids.
- Simon Clark wrote the official sequel to The Day of the Triffids, The Night of the Triffids, in 2001.