One year after the events of "A Nightmare on Elm Street 3: Dream Warriors", Nancy Thompson and Kristen Parker discover that Freddy Krueger has found a way back into the dream world. Freddy begins to pick off Kristen's friends one by one in their dreams, and when they die in their dreams, they also die in real life. Kristen manages to pull her friend Alice Johnson into the dream world to fight Freddy, but soon Alice finds herself as the last one standing against the dream demon.

A Nightmare on Elm Street 4: The Dream Master was a commercial success, becoming the highest-grossing film in the franchise at the time of its release. Critically, it received mixed reviews, with many praising its visual style and creative kills but criticizing its plot and character development compared to earlier installments.

• Praised for its visually imaginative and often gruesome special effects and Freddy's memorable one-liners.
• Criticized for a weaker plot and less compelling character development compared to its predecessors.
• Seen as a fun, albeit somewhat formulaic, entry in the popular horror series.

Google audience: Audience reviews suggest that while the film delivers on the signature scares and creative deaths expected from the Nightmare franchise, some viewers found the plot to be less engaging and the characters less developed than in earlier films. However, many still appreciated the entertainment value and Freddy Krueger's iconic presence.

The elaborate "garbage disposal" death scene was inspired by a similar incident that happened to director Renny Harlin's childhood friend.