Can PIkachu learn volt tackle in Pearl?
Yes, Pikachu can learn volt tackle! You need a Nincada in the front of your party (Migrate from Ruby/Sapphire/Emerald) and go catch a Pikachu. It should hold a light ball when you catch it, and must be a female. Then, breed it. You will then get an egg. It will hatch to a Pichu knowing Thundershock, Charm, and Volt Tackle.