Pikachu evolves into Raichu. To evolve it, you have to use a Thunderstone on it.
Pikachu evolves into Raichu with a ThunderStone.
Pikachu turns into Raichu.
Pikachu ONLY evolves into a Raichu when you give it a Thunderstone.
Pikachu will evolve into Raichu when given a thunder stone. If you mean Ash's Pikachu, then it very unlikely he will evolve his Pikachu, as Pikachu is the Pokemon Franchise's mascot.
You can get a Raichu when you evolve Pikachu. You have to expose Pikachu to a Thunderstone to evolve it.
you can evolve pikachu into Raichu and Eevee into Jolteon
Pikachu can evolve into a Raichu.
if you have a pikachu,put a thunderstone on it and it will evolve into raichu
pikachu then pikachu evolves with a thunderstone to get raichu
Raichu, the evolved form of Pikachu, cannot evolve again. Also, as of December 2014, there is no official announcement of a Mega Raichu either.In order to evolve Pikachu into Raichu, a Thunderstone is needed.
Raichu never evolves. Unless you meant Pikachu, which evolves into Raichu. Or Pichu, who isn't in Leafgreen but evolves into Pikachu, then Raichu.