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The Last Lesson
Kate and the others have deduced the identity of Master Robe, the culprit behind the phantom mayhem, who then tells them of the cruel secret of Shadows House.
![](https://image.tmdb.org/t/p/w300/reKIbMr7sgC4pHRcApJS7PAO1c0.jpg)
![](https://image.tmdb.org/t/p/w300/jDR03RUqqopi7B6aoUgfUi5JGvb.jpg)
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Other episodes for this season
![Those Newly Come of Age](https://image.tmdb.org/t/p/w300/uI0K7zn9ecGmAewvjdBTPj44qIx.jpg)
![The Best](https://image.tmdb.org/t/p/w300/byJt1HUQR0PbeENktVFTB4MyVV4.jpg)
![A Great Cleaning](https://image.tmdb.org/t/p/w300/wgesFT9KlgefyFFlwuZ03ZkFxQU.jpg)
![Potential Suspects](https://image.tmdb.org/t/p/w300/bVXhpM6TRxRFQxB0KkBjqvGGNVN.jpg)
![A Midnight Meeting of Peers](https://image.tmdb.org/t/p/w300/s7ngJe2MdkXDHCetbwRQMCAh9Db.jpg)
![Night Sky](https://image.tmdb.org/t/p/w300/ebk7jXWxhhtfWGnsoA5duEOMJrO.jpg)
![Individual Investigations](https://image.tmdb.org/t/p/w300/qLmD4OVHZbP9eDWwuEKmYP4xrW0.jpg)
![The Identity of Master Robe](https://image.tmdb.org/t/p/w300/dI4H2yAq5VwrXfeSGu7EgoeURiG.jpg)
![The Last Lesson](https://image.tmdb.org/t/p/w300/lbIwCteQLFtxB2IJNePtvXbzPgE.jpg)
![The Value of Friends](https://image.tmdb.org/t/p/w300/g3zQeMgoRU4DCfIKzXKDfRZY95M.jpg)
![The Answer of the Two](https://image.tmdb.org/t/p/w300/vAdTYImT5ywRxuuPduwEyKrukMP.jpg)
![Those Who Fight Back](https://image.tmdb.org/t/p/w300/uDN8lldwgzVEoJjX6NkO7FH57oH.jpg)
Kate and the others have deduced the identity of Master Robe, the culprit behind the phantom mayhem, who then tells them of the cruel secret of Shadows House.