Season 1, Episode 2
The Yellow Mark
April 26, 1997
7.7 / 10
Overview
A mysterious creature threatens the peace of London. It sees in the dark, isn't wounded by bullets, and wherever it goes, a yellow μ Greek pops up. Scientists kidnapped, Crown jewels stolen..... Only Blake and Mortimer can stop Dr. Septimus' vengeance. They discover that the mysterious creature is none other than Olrik, hypnotized!