Pokemon was an important part of my childhood, and I would be lying to you if I said that I didn't occasionally watch the first Pokemon movie because it is so sad but so awesome at the same time. Anyway, the Pokemon games for Nintendo portable consoles are easily the greatest games ever.
If you haven't played these games, you should, and if you HAVE, allow me to share the fact with you that after the Elite 4, and after you fight Gary for a final time - you were then supposed to fight Professor Oak when you turned back to Pallet Town. Oak's lineup includes a level 66 Taurus, 67 Exeggutor, 68 Arcanine, 70 Gyarados, and one of the Kanto starters at level 69.
Fortunately, if you use the 'Old Man' glitch featured in Pokemon Red, Yellow, Blue, and Green, you can actually break the game and fight Oak.
How do you do this glitch? Click the source to find out!