Kamen Rider Black contains episodes 1-51 of the live-action series.

Long, long ago, in the 20th century...

Desperate and terrified, Kotaro Minami escaped the clutches of the ancient secret society, Gorgom—but in doing so, left behind his best friend, Nobuhiko. Both have been transformed into beings of immense power in order to serve Gorgom's dark purposes. If left unchecked, Gorgom will destroy humanity and eliminate all traces of its civilization and culture.

Now the powerful cyborg known as Kamen Rider Black, Kotaro will uses the powers Gorgom gave him to preserve justice and freedom, as well as to save his best friend. But Gorgom has their own plans for Nobuhiko—and if Kotaro can't save him, he may have to fight him!

Brimming with bare-knuckle action and classic horror imagery, this back-to-basics return to the Kamen Rider franchise made tokusatsu icons of its stars and created a whole new generation of Kamen Rider fans!