Most Underrated Toku Series

[Sho-saka]

Ryukendo.

'Nuff said about this one word.

 

[McAster]

Blue SWAT.
Solid martial arts and gunplay with a focus on trying to make it more realistic (for a toku anyroad). Easily my favourite Metal Hero.

 

[Fire]

GoGo-V, Metalder

 

[The Black Sun]

<_< >_> PGSM...lol

and other shows that are not Super Sentai and Kamen Rider