View source for AG178

{{EpicodePrevNext|
prevcode=AG177 |
prevtitle=Grating Spaces! |
nextcode=AG179 |
nexttitle=Slaking Kong! |
series=Pokémon the Series: Ruby and Sapphire |
colorscheme=Emerald }}
{{EpisodeInfobox|
epcode=AG178 |
altepcode=EP452 |
colorscheme=Emerald |
title_en=Battling the Enemy Within! |
title_ja= バトルピラミッド！VSレジロック！！ |
title_ja_trans=Battle Pyramid! VS Regirock!! |
screen=yes |
broadcast_jp=May 25, 2006 |
broadcast_us=December 6, 2006 |
en_series= |
en_op={{OBP|Battle Frontier|dub}} |
en_ed={{so|Pokémon Go!}} |
ja_op=[[Spurt!|スパート！]] |
ja_ed=[[I Won't Lose! ~Haruka's Theme~|私、負けない！ ～ハルカのテーマ～]] |
olmteam=Team Iguchi |
scenario=米村正二 |
storyboardn=1 |
storyboard1=小山賢 |
directorn=1 |
director1=小山賢 |
artn=2 |
art1=広岡歳仁 |
art2=船津弘美 |
morecredits=no |
epstaffpage=AG171-AG180 |
footnotes=*{{filb-eppics|ag|178}}
*Early reports originally listed 大山和弘 ''Kazuhiro Ōyama'' as the director and storyboarder.
}}
'''Battling the Enemy Within!''' (Japanese: '''バトルピラミッド！VSレジロック！！''' ''Battle Pyramid! VS Regirock!!'') is the 178th episode of ''[[Pokémon the Series: Ruby and Sapphire]]'', and the 452nd episode of the [[Pokémon anime]]. It first aired in Japan on May 25, 2006 and in the United States on December 6, 2006.

{{spoilers}}