M.A.S.K. - Season 1 Episode 40 -

Location: San Francisco, USAV.E.N.O.M. steals an artifact, a so-called 'crystal skull' that allows x-ray vision. By using the skull during combat with M.A.S.K., Mayhem sees through the masks and discovers Matt Trakker's true identity. V.E.N.O.M. kidnaps Scott Trakker and demands as a ransom all M.A.S.K. secrets and the Trakker family fortune in return for Scott's release. An art collector tells Matt that when the skull is destroyed, the knowledge obtained with it is also gone. M.A.S.K. destroys the skull and their secret is safe once again.