In the Fringe episode "The Firefly", the Observer talks to Walter about how "every action causes ripples, consequences both obvious and... unforeseen."
The Tales From The Fringe animated graphic novel shows the story of what happened when one little boy caught a firefly. The novel is divided into five chapters:
- The Observer confirms the future.
- ...every action causes ripples.
- I couldn't have known that...
- A chain of events are in motion.
- He is still alive.