by Pat Dunlop
Learning that the Eastern Alliance has created the X-41 virus, a deadly germ capable of breaking down the molecular structure of all matter, the W.I.N. turns to Agent 90 for help. After taking on the brain patterns of a top virologist, Joe parachutes into the enemy's research station to the formula for an antibody...
Len Jones (Joe McClaine), Rupert Davies (Professor Ian 'Mac' McClaine), Keith Alexander (Sam Loover / Hawkins 2nd Guard), David Healy (Shane Weston / Pilot / 1st Guard / 2nd Guard), Jeremy Wilkin (General Kwan / Doctor), Gary Files (Doctor Chang / Professor Baxter / Agent 84)
Directed by Ken Turner
Produced by David Lane
Executive Producer Reg Hill
Created by Gerry and Sylvia Anderson
UK (ATV Midlands):
March 30th, 1969
*Featuring Joe 'Joe 90' McClaine, Professor Ian 'Mac' McClaine, Sam Loover and Shane Weston
*Working title: 'Mission X-14'