<P> Ghost Whisperer's fifth and final season aired in the United States (U.S.) on Fridays at 8: 00 pm ET on CBS, a terrestrial television network, followed by the sixth season of Medium, where it received an average of 7.78 million viewers per episode, becoming the least watched season of the series . It receives around 200,000 viewers per episode in New Zealand, and is constantly rated in the top 5 for TV2 every Monday . </P> <P> In the fifth season, five years have elapsed since the events of the previous season, and we are introduced to Jim and Melinda's son, Aiden Lucas . We learn that he can see the "Shinies and the Shadows", two opposing groups of ghosts that Melinda is unable to see . The Shadows are revealed to be the negative part of spirits that get left behind when they cross over, and their motives involve acquiring the Book of Changes . Melinda, Ned, and Eli, with the frequent help of Delia, work to keep the book safe from the Shadows . Throughout the season, Melinda struggles to keep Aiden safe and help him with his gift . He has frequent run - ins with the Shinies, who are presumed to be the kind group of spirits and are attracted to shiny objects . The Shadows show tremendous power throughout the season, forcing President Bedford, the president of Rockland University to blow up Delia's real estate office . </P> <P> At the end of the series, Melinda and Jim try to protect Aiden by convincing him that ghosts don't exist (at the advice of Carl the Watcher, later revealed to be under the influence of the Shadows). The Shadows gradually begin to take possession of Melinda's body . Aiden is told by Carl that he must go to Melinda's store . Jim, Ned, Eli and Delia follow with him . Melinda is inside, being engulfed by the Shadows . Aiden, who has forged a friendship with one of the Shinies (previously revealed to be the ghosts of children), enlists their help . In the town square, dozens of Shinies gather, and emit a bright light . The Shinies and their light become visible to passersby in the square . Inside the store, the Shadows are trying to battle the light and fully possess Melinda, but fail on both accounts . Melinda drops to the ground and the group run in . Later that night, Aiden is in his room and Melinda and Jim enter . Melinda tells him that they should both be proud of their gift and that he was her hero that night . Aiden replies that Melinda is a hero every day, and the series closes with a shot of Melinda smiling and tearing up . </P> <P> Ghost Whisperer is based on the work of "Spirit Communicator" James Van Praagh, who is co-executive producer and regularly updates a blog about the show through LivingTV . The stories are also said to be based in part on the work of "Spirit Communicator" Mary Ann Winkowski . Development of the show dates back to at least two years before its premiere . </P>

What happens at the end of ghost whisperer
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