In Black and White, Ghetsis' Pokemon party includes Cofagrigus which is a Ghost-type which you can include a Dark-type such as Umbreon, Sableye or Spiritomb or a Ghost-type such as Gastly or Gengar in order to beat it, Bouffalant is a Normal-type so a Fighting-type such as Machoke, Lucario, Machop or Hariyama would be able to beat it, Seismitoad which is a Water and Ground-type so Grass-types such as Bulbasaur and Chikorita would be able to beat it, Bisharp which is a Dark and Steel-type so Fighting-types, Ground-types and Fire-types would be able to beat it, Eelektross which is an Electric-type which makes it weak to Ground-types and Hydreigon which is a Dark and Dragon-type which makes it weak to Fighting, Bug, Ice and Dragon-types so using those weaknesses against his party will help you to beat him in Pokemon Black and Pokemon White.
Really after you beat the game, Fight N and Ghetsis, Ghetsis actually gets arrested. Yep. That's pretty much how it goes.
In the dreamyard after you beat N and Ghetsis.
If you mean battle him, you do that after you beat N in N's Castle.
You Get All T Gyms Badges And Challenge The Poke Leauge Beat N Aka Team Plasma and Ghetsis..Now Go MAKE ME PROUD
That is not really a question to ask but if you asked who is ghetsis he is one of the seven sages in Pokemon black and white.
Bring a Scrafty.
Really after you beat the game, Fight N and Ghetsis, Ghetsis actually gets arrested. Yep. That's pretty much how it goes.
you can't find ghetsis. i think looker already arrested him, but you can't find ghetsis.
You will fight Ghetsis after you beat N
you fight ghetsis
he goes with ghetsis
beat n then you have to battle him
In the dreamyard after you beat N and Ghetsis.
You have to beat the elite four. Then beat Ghetsis and N.
you can catch it in giant chasm after you beat N and ghetsis.
Ghetsis is at N's castle after you beat N After that, he is nowhere!
Beat the Elite 4 and N and Ghetsis. Basically, beat the game.