6 Season
161 Episode
The Avengers - Season 1 Episode 24 The Deadly Air
An experimental vaccine is stolen, and the subsequent test proves deadly. Steed and Keel, suspecting that the human 'guinea pig' did not die directly from the vaccine, volunteer to be the next subjects.
- Country : United Kingdom
- Genre : Action & Adventure, Crime, Sci-Fi & Fantasy
- Director : Sydney Newman
- Cast : Patrick Macnee, Linda Thorson
