It's not that the event doesn't work, it's either your disk or your GameCube that has an error.
Beat event # 37 (Legendary Pokemon)
Play 200 vs. matches or clear event match 37. Next you will fight Pichu in the Pokemon place!
Complete Event 37, Legendary Pokemon. This event involves you facing 4 giant Wire Frames and Jigglypuff; with Poke Balls that contain nothing but legendary Pokemon. You can also unlock Pichu by doing 200 matches, and then defeating Pichu in a match.
Not really but depending on its age and character, change the time to 11:37 AM. This wont work if its a baby, or certain adults.
defeat event 37
37 countries
37
You get Pichu by completing event 37, which you get by completing 27 of the first 30 event matches and unlocking Jigglypuff, Luigi, Falco, Dr. Mario, and Young Link. You can also unlock it by playing 200 VS. matches and beating it in a battle.
37
200 matches classic with mewtwo event 37
it says 9 37 15 but when you do 37 it doesn't work
beat event match 37, "legendary pokemon"