Double Riders, Defeat!! Siomaneking

is the seventy-third episode of the original Kamen Rider series.
==Synopsis==
to be added
==Plot==
to be added
==Cast==
to be added
==Errors==
to be added
==Notes==
*This episode aired on NET alongside episode 6 of Android Kikaider, Black Horse Waits in the Execution Zone.
==Home Video Releases==
*Kamen Rider DVD Volume 12 features episodes 68-73.http://www.toei-video.co.jp/DVD/riderguide.html#l2-3
*Kamen Rider Blu-ray Volume 3 features episodes 53-79.https://www.toei-video.co.jp/special/riderbox/
S_1_12.jpg|Kamen Rider DVD Volume 12
Series_1_Volume_3.jpg|Kamen Rider Blu-ray Volume 3
==References==