The Avengers - Tara King FHD 1969 S06E28

Episode: My Wildest Dream. Following a tip-off Steed and Miss King are present when a member of the Acme Precision Combine is stabbed, seemingly by a sleep-walker who has no recollection of the murder. This leads the Avengers to a clinic run by Dr. A. Jaeger who may or may not be programming deadly sleep-walkers.