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The High and the Deadly Affair
April poses as an airline stewardess; Mark is disguised as a big game hunter. Both are on board a plane carrying a number of scientists to a Council of World Scientists meeting. One doctor aboard has developed a substance that, carried by harmless birds, can cause slow death to humans. Also on the same flight is the doctor who has developed the antidote. Waverly fears a confrontation between the two hence April and Mark on the scene.
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Other episodes for this season
![The Dog-Gone Affair](https://image.tmdb.org/t/p/w300/8AFcXe2Ulvwgi5oSyEq5EvuVWjU.jpg)
![The Prisoner of Zalamar Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Mother Muffin Affair](https://image.tmdb.org/t/p/w300/eTHxRGFlshzHM5imykWwU0egxdT.jpg)
![The Mata Hari Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Montori Device Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Horns-of-the-Dilemma Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Danish Blue Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Garden of Evil Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Atlantis Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Paradise Lost Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Lethal Eagle Affair](https://image.tmdb.org/t/p/w300/kZlYLxY5D90jVaMMZhYhVDwqfzc.jpg)
![The Romany Lie Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Little John Doe Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Jewels of Topango Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Faustus Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The U.F.O. Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Moulin Ruse Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Catacomb and Dogma Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Drublegratz Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Fountain of Youth Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Carpathian Killer Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Furnace Flats Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Low Blue C Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Petit Prix Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Phi Beta Killer Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Double-O-Nothing Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The U.N.C.L.E. Samurai Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The High and the Deadly Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)
![The Kooky Spook Affair](https://image.tmdb.org/t/p/w300/dqCUxJb1tHpLiiPXUVyjXHxUC9Y.jpg)