Lyta makes telepathic contact with an unconscious Shadows victim. Garibaldi hopes to gain the complete trust of his new boss, pharmaceutical mogul William Edgars (Efrem Zimbalist Jr.) And Captain Sheridan races against the clock as his guides his troops towards the Earth. Harlan Ellison makes a brief onscreen appearance as a Psi Cop. Originally telecast during the week of June 2, 1997, "The Exercise of Vital Powers" was written by J. Michael Straczynski. ~ Hal Erickson, Rovi