The Devil's Laboratory

is the fourth episode of Kamen Rider Black.
==Synopsis==
A cycling friend of Kohtaro becomes the subject of Golgom's mad doctor experimenting to find a weakness to their escaped subject.
==Plot==
to be added
==Cast==
* : 
* : 
* : 
* : 
* : 
* : 
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* : 
==Guest Cast==
* : 
==Suit Actors==
* Kamen Rider Black: 
==Errors==
*to be added
==Notes==
*This episode aried alongside episode 28, .
*Guest star Takumi Hirose portrayed in . He later portrayed in , in & in .
==Digital Releases==
*Kamen Rider Black DVD Volume 1 features This is Kamen Rider Black & episodes 1-10.http://www.toei-video.co.jp/DVD/riderguide.html#l10-11
*Kamen Rider Black Blu-ray Volume 1 features This is Kamen Rider Black & episodes 1-17.http://www.toei-video.co.jp/BD/black.html
Black DVD Vol 1.jpg|Kamen Rider Black DVD Volume 1
Black_Volume_1.jpg|Kamen Rider Black Blu-ray Volume 1
==References==