Much of Vernoff's work has been in the medium of television, as a script (or teleplay) writer. She has worked on a number of American television shows, including the program "Charmed", from 2000 to 2004. She began as a story editor and became a co-producer of the show. Following this, she became writer and roducer for the Fox program "Wonderfalls", which aired in 2004. She has also written one episode for long-running drama "Law & Order" - (season 10, episode 14, "Sundown").