Nope! Wait till the next Pokemon game comes out, then migrate your Pokemon, this way you always keep your favourite Pokemon.
On the title menu press up+b+select that should restart your game
yes the same way you do in Pokemon dimond pearl and platinum
You just go to new game...I think. That's atleast what you do in Pokemon pearl or diamond
trade starter,restart,trade starter agin,restart,trade bak over 2 starters.
You cannot get a new pokedex in Pokemon pearl unless you completely restart your game and create an entirely new save file.
Google "master code Pokemon pearl ar" and you should get some results Google "master code Pokemon pearl ar" and you should get some results Google "master code Pokemon pearl ar" and you should get some results
you should get a Pokemon dimand and pearl cheat book in gamestop and use it to get all the Pokemon.
go to the area were u get giratina on diamond and pearl and go in the portal
your starter Pokemon if you can
restart the game
If Cresselia faints [same as any legendary pokemon] you cannot catch it ever unless you save before the battle and restart if you make a mistake.
Rory