両手、クロスして 放て！セルジェント
決めろ！絶対に明日を拓くそのために
眩しい輝きで 闇を切り裂いて 戦う光 今ここに現れる
ウルトラマンデッカー(フラッシュ！)正義を勇気に
ウルトラマンデッカー(フラッシュ！)さぁ、彼方未来までFLY HIGH！
君は希望の光なんだ You are FLASH！Yes！
Mabushii kagayaki de yami o kirisaite tatakau hikari imakoko ni arawareru no sa!
Motomeru no wa kizutsuita dareka no sugu soba made kaketsukeru hayasada
Sou, mamoritai to negau hodo massugu ni yuuki ga sokudo o ageteku
Sou, sukuitai to chikau hodo isshun de kimi wa mirai ni toberu nda
Kazase! D Furasshā sakebe! Sono seigi
You're FLASH! Itsudatte mune ni kibou no hi o moyase
Mabushii kagayaki de yami o kirisaite tatakau hikari imakoko ni arawareru
Urutoraman Dekka Furasshu!
Yuukan na senshi ga hashiru kagiri aru inochi o
Kakegaenai hoshi o
Ushinaitaku wa nai kara
Sou, kokoro ga kimetan darou kanarazu make wa shinai to
「Kagayake Furasshu!」
Ryoute, kurosu shite hanate! Serujento
Kimeru! Zettai ni ashita o hiraku sono tame ni
Mabushii kagayaki de yami o kirisaite tatakau hikari imakoko ni arawareru
Urutoraman Dekka (Furasshu!) seigi o yuuki ni
Urutoraman Dekka (Furasshu!) saa, kanata mirai made FLY HIGH!
Kimi wa kibou no hikari nan da you are FLASH! Yes!
The light that cuts through the darkness and fights with its dazzling brilliance appears here and now!
What we're looking for is the speed to get to the immediate side of someone who's hurt
Yes, the courage increases the speed so straight that you want to protect
Yes, you can fly into the future in a moment so much that you swear to save it
Hold it! D Flasher, scream! That justice
You're FLASH！Always burn the fire of hope in your chest
The light that cuts through the darkness and fights with its dazzling brilliance appears here and now
Ultraman Decker Flash!
For as long as a brave warrior runs
An irreplaceable star
I don't want to lose it
Yes, my heart must have decided that I must not lose
「Shine, Flash!」
Both hands, cross and release! Selgend
Decide! For that purpose, we will definitely open up tomorrow
The light that cuts through the darkness and fights with its dazzling brilliance appears here and now
Ultraman Decker (Flash!)Justice to courage
Ultraman Decker (Flash!) Now, beyond to the future FLY HIGH!
You are the light of hope You are FLASH! Yes！
