Ash finally arrives at the Battle Dome ready for his next Frontier Battle. After a little press conference Ash finally begins his battle against the Frontier Brain, Tucker. The battle will be a double battle, which Tucker uses Swampert and Arcanine for. Ash chooses Swellow and Corphish and the battle begins. The battle quickly goes in Tucker's favor as his Pokémon are very skilled at combinations together. (thetvdb.com)