When Billy accidentally gets Grim's scythe caught in his Dad's pants, he then says, "There's only one group of kids who can help me now.", and that group of kids are, the Eds. Billy quickly calls the Eds as they were doing one of their scams, Ed, Edd n Eddy's Pesky Problem Fixers. When Eddy picks up the phone, he tells Billy that he, Ed and Edd (aka Double D) will help fix his problem for just, "one lousy quarter". But Billy didn't have enough money. This causes Eddy to get angry and scream at him on the phone. He then tells Billy to instead call the Kids Next Door since, "their cheap!", and he angrily hangs up on him, beginning the plot of the episode.
Later on, Eddy gotten assimilated into the Delightful Reaper with all the other kids it assimilated which means the Eds' home town Peach Creek is near Sector V. After the Delightful Reaper was defeated, Eddy was seen flying out of it with many other Cartoon Network characters it assimilated.
- Ed, Edd n Eddy Wikia: Ed, Edd n Eddy
- Ed, Edd n Eddy Fanon Wikia: Operation: E.D. a Codename: Kids Next Door crossover with Ed, Edd n Eddy that answers the question of how the Eds know the KND
- Ed, Edd n Eddy Fanon Wikia: Codename: Eds Next Door an Ed, Edd n Eddy crossover with Codename: Kids Next Door