Question

Think one is Thunderbolt but I am not sure. :S

Answer 1

ThunderShock
Thunderbolt
"Leer"-improvised move, probably not actual leer.
Agility
Quick Attack
Thunder
Double-Edge
Tackle (can't be legitimately learned by pikachu in the game)
Iron Tail
Volt Tackle

There are also the improvised moves pikachu used, but they aren't actual attacks.

http://bulbapedia.bulbagarden.net/wiki/Ash%27s_Pikachu

That's from the anime, if you mean the new event pikachu, then:

ThunderBolt
Iron Tail
Quick Attack
Volt Tackle

Answer 2

Okay, ill give you CURRENTLY known moves that Pikachu knows

ThunderBolt
Iron Tail
Quick Attack
Volt Tackle

There is a Ash's Pikachu event coming soon, so I think you should get it

http://serebii.net/games/currentevents.shtml

Answer 3

Pikachu knows : electro ball/quick attack*, volt tackle, iron tail, and thunderbolt (*I'm guessing ash made his pikachu forget quick attack for electro ball)

Comments

In the anime, I don't think you have to forget moves, but i havent seen pikachu use Quick Attack lately, and what happened to ThunderShock?

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Thundershock became Thunderbolt and Quick Attack became Volt Tackle.

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I still see pikachu use quick attack

Answer 4

If you saw in the end of season 1, pikachu has quick attack, electro ball, thunderbolt, and iron tail.(pikachu forgot VOLT TACKLE for electro ball)

Answer 5

Ash's Picachu
Ash's Picachu Kinda Alternates moves in Different Shows But It's
Moves That Were Used So Far Is:
ThunderShock,Thunderbolt,Leer,Agility ,Quick Attack ,Thunder
Double-Edge,Tackle,Iron Tail ,Volt Tackle

So Far In BW it Knows,
Quick Attack
Thunder Bolt
Electro Ball
Iron Tail

Hope I Helped :)