The last Super Sentai series produced by the Toei/Marvel comic company.
The last super sentai series co-produced with Marvel, Stan Lee and the CEO of Marvel Productions Margaret Loesch tried to market Sun Vulcan to America but failed to find any company willing to air it. Loesch went on to become the president of the Fox Children's Network where she greenlit Haim Saban's Power Rangers.
The only Super Sentai series to not include a female ranger.
The first Super Sentai series to feature a giant robot that is formed by the combination of small mechas.
The only Super Sentai series that is a direct sequel to it's predecessor "Denjiman".