No, you are shown the credits but may then continue to explore kanto and now johnto
You speed through the credits and re-open your game. Then you can continue to catch and train pokemon.
You must beat the game first which includes catching reshiram, defeating N and Zekrom, and beating the Elite four and Ghetsis.
in what game of Pokemon
Elite Four Sidney/Sydney: Uses Dark Pokemon Elite Four Phoebe: Uses Ghost Pokemon Elite Four Glacia: Uses Ice Pokemon Elite Four Drake: Uses Dragon Pokemon Champion Steven: Uses mostly Steel & Rock Pokemon.
After completing the Battle Frontier you can explore the game world for post-Elite Four side quests or areas. These side quests tend to involve Legendary Pokemon that don't appear till after the Elite Four and Champion are defeated. There are also areas that unlock after defeating the Elite Four, these areas usually contain Legendary Pokemon or Pokemon you couldn't find elsewhere.
find the guy with the red hat in the woods and challenge him 2 a duel if you win you unlock an ultimate Pokemon then you move on in the game. (vid part 1)
If you have 100 Pokemon in your Pokedex (Caught of course), then you complete the other 4 islands available in the game complete with a Team Rocket base.
i beat the elite four with tangrowth,empoleon,typhlosion,rhyperior,lugia and snorlax (i traded most of the Pokemon to my game
After defeating the Elite Four, go to the Weather Institue at Route 119 and talk to the scientist. He will tell you the location of Groudon/Kyogre. Its location is different for each game.
Beat the elite four.
Just press Continue. well you have to wait till all the guys tell you what they did to make the game and then go turn it off and back on.
After you defeat the elite four on Pokemon sapphire you complete the pokedex and make all your Pokemon level 100.