you CANT
There is no way to recover unsaved data in Pokémon. The best option is moving forward set a timer and save in set periods.
Recover ms word document with the help of following utility it restore word file without changing original file data
no u cant
press up, select, down
to get data on Pokemon in your pokedex, capture the Pokemon unless they are trainers Pokemon then you have to cheat to get trainers Pokemon.
press up select and b together
Any unsaved data will be lost when the power is shut off.
You don't get all the pokemon.Just the data
there are 150 kinds of Pokemon that you can see and/or obtain. Unless you have friend trade you Pokemon that you can only get in pearl to you, you'll never obtain them all. In Pokemon diamond and pearl all you have to do is see the Pokemon and you get its data unlike the older versions where you have to obtain them.
In this case you can try software-based instrument restoring powerpoint files of any version MS PowerPoint. You may look at tool below.
Mewthree cannot be caught in Pokemon Pearl. It does not exist in the game's data anywhere.
Try reinserting your Pokemon pearl game. If that doesn't work there may be something wrong with your game and you should speak to the Nintendo repair service about it.