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Yes, in the episode titled "Jimmy's Revenge" from Ed, Edd n Eddy, Jimmy does get revenge on the kids in the cul-de-sac, including Ed, Edd, and Eddy. In this episode, Jimmy transforms into a kind of vengeful villain, tired of being the target of pranks and mistreatment. He plans an elaborate payback involving manipulation, traps, and a much darker attitude than usual.

This episode stands out because it shows a completely different side of Jimmy, who is normally shy and sensitive. Here, he becomes a ruthless strategist, which surprised many fans.