Staging a Heroes' Welcome! (Japanese: みんなライバル!ミクリカップ!!Everyone's A Rival! Mikuri Cup!!) is the 77th episode of Diamond & Pearl series, and the 543rd episode of the Pokémon anime. It first aired in Japan on May 8, 2008 alongside Pruning a Passel of Pals! as part of a one-hour special, and in the United States on September 20, 2008.
Spoiler warning: this article may contain major plot or ending details.
Both May and Dawn had most of their rivals appear in the episode either in cameos or throughout the course of the episode: Drew, Solidad, and Harley for May; and Zoey and Kenny for Dawn. It should be noted that Ash's rival, Paul, also had a brief appearance. Nando was the only one of Dawn's main rivals not to appear.