http://tvtropes.org/pmwiki/pmwiki.php/Laconic/GoGoLoserRanger
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Laconic /
Go, Go, Loser Ranger!
aka: Sentai Dai Shikkaku
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A shapeshifting Mook sets out to infiltrate the Sentai Rangers, who have already killed the Big Bads in secret and are abusing their remaining numbers to run a weekly Monster Protection Racket.
Hurry before the Dragon Keepers find the unabridged version HERE.
Alternative Title(s):
Sentai Dai Shikkaku