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Lethargica
It seems that the retrovirus that Jill discovered in the Korean stem cells is responsible for the illness affecting the national guards, thus showing the retrovirus was reactivated. Meanwhile, kids are all coming down with a mysterious and deadly disease that Norbac has to stop.
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Other episodes for this season
![China](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Escape Mutant](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![The Cocktail](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Dim & Dimmer](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Massive Change](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Our Men in Havana](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Listen To Him](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Haze](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Gene In A Bottle](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![The Wild and the Innocent](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Fishy](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![Lethargica](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)
![The End](https://image.tmdb.org/t/p/w300/dcBKqTXidJsQJfwwgfvwWrx12hQ.jpg)