In Heart Gold, you'll have to breed them. Get a female Pikachu and either any male Pokemon from the Ground or Fairy Egg group or a ditto and leave them alone together in the day care center in Goldenrod City. Talk to the old man outside the daycare and he'll give you the egg.
You can look up what Pokemon are in the Ground and Fairy Egg group on http://bulbapedia.bulbagarden.net/wiki/Main_Page .
Leave a picachu with a ditto at the babysitter. Eventually they will find an egg. Walk around with the egg in your party and it will hatch into a pichu
You get an egg from Professor Elm's assistant from any Poke Mart.
It's impossible to encounter a wild Pichu in Pokemon Silver. The only way to obtain one is to Breed 2 Pikachu of different gender, or a Pikachu and a ditto, and the Pichu will hatch from their egg.
Deposit one of your Pokemon and you may get the egg
In HeartGold, give a Mantine the Wave Incense and breed it. The egg with hatch into a Mantyke.
you would have to get a pichu egg by breeding a female pikachu or raichu with a pokemon of the same egg group
You need an egg for both Pichu and Cleffa. :)
The Pikachu colored Pichu, a.k.a the Shiny Pichu, is only obtained through events, unless you are lucky enough to hatch one thru an egg
To get a pichu egg you must first caputure 2 pichachus that are genders in a different game such as Veridian Forest in Heartgold or Soulsilver. Then transfer them to your Black or White game. leave them in the Pokemon Day Care for a while. After a unknown period of time an egg will apear.
you cant get a pichu egg unless you breed a pikachu with a ditto
You'll need to get a Pikachu from Viridian Forest and a Ditto or another Pikachu and put it in the Day Care and breed them. Eventually you'll get a Pichu Egg.
You cant get it in Pokemon platinum only in the new Pokemon heart gold and soul silver edition.
You can't catch pichu in Pokemon emerald,But you can get a male pikachu and a female pikachu or a ditto and breed them, When the egg hatches it will be a pichu
Leave a picachu with a ditto at the babysitter. Eventually they will find an egg. Walk around with the egg in your party and it will hatch into a pichu
No, baby Pokemon cannot breed.
You will need to breed in order to get Pichu one option is to breed Pikachu and Ditto and you'll receive a Pokemon Egg from the Daycare Man that will hatch into a Pichu.
A Togepi.