As Mandy returns from Billy's house, it is evident that Mandy parents are extremely afraid of their daughter and her iron fist rule over them. Unable to live in fear any longer, Mandy's parents call a nanny from a reality TV show who specializes in disciplining spoiled children. Then, Mandy and the nanny clash several times, while the nanny tries to teach Mandy's parents to show authority to control their daughter. In the end, Grim helps the nanny in her feud against Mandy by using his scythe to make Mandy's parents more resolute; however, Mandy quickly restores her control over her parents, and shows the nanny she actually controls everything and everyone.
click here to see where to watch or .
Ready to Watch The Grim Adventures of Billy and Mandy, Season 6, Episode 18?