The crew of the Enterprise tracks down a Federation observer on a planet dominated by a "Naziesque" regime.
Quest roles:
Frank da Vinci(Lt. Clifford Brent), Eddie Paskey(Lieutenant Leslie (uncredited)), Lev Mailer(S.S. Lieutenant), Roger Holloway(Lt. Lemli (uncredited)), David Brian(John Gill), Skip Homeier(Dr. Sevrin), Valora Noland(Daras), Patrick Horgan(Eneg), William Wintersole(Abrom), Gilbert Green(S.S. Major), Ed McCready(S.S. Trooper), Richard Evans(Isak)